Latest / Morning Medical with Dr. Chow / OTC Birth Control, Floodwater Risks, Breastfeeding, and Herpes Zoster Vaccine Benefits

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OTC Birth Control, Floodwater Risks, Breastfeeding, and Herpes Zoster Vaccine Benefits · Morning Medical with Dr. Chow

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  Welcome to Morning Medical with Dr.
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  Chow, where we bring you the latest in health and medical news from around the globe,
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  courtesy of artificial intelligence.
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  I'm your host, Dr.
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  Chi-Ming Chow, a cardiologist, internist, and family physician based in Toronto.
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  Today, we're going to discuss some significant developments in women's health, particularly
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  focusing on the availability and impact of over-the-counter birth control pills in the
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  United States.
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  It's been over a year since the first over-the-counter birth control pill was
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  introduced in the United States, a milestone that has opened up new possibilities for many
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  who previously faced barriers to contraception.
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  According to a recent study published in JAMA Network Open, the availability of these
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  non-prescription oral contraceptives is reaching the populations that need them the
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  most.
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  The study highlights that more than a quarter of individuals using over-the-counter birth
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  control pills were not using any modern birth control methods before.
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  This change is particularly significant among uninsured individuals, adolescents, and those
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  living in rural areas—groups that historically have faced challenges in accessing
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  contraceptive methods.
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  Dr.
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  Maria Rodriguez, the lead author of the study and a professor of obstetrics and gynecology at
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  Oregon Health & Science University, emphasized that these pills are proving crucial for people
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  with structural barriers to healthcare.
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  The United States is currently grappling with a maternal health crisis and limited access to
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  safe abortions, making this development even more critical.
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  The birth control pill in question, Opill, was approved by the United States Food and Drug
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  Administration in July 2023 and became widely available by March 2024.
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  It is available at major pharmacies like CVS, Walgreens, and Walmart, priced at about $19.99
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  for a one-month supply.
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  Opill is a progestin-only "mini-pill," which is different from combination pills that also
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  contain estrogen and may pose risks for some users.
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  Survey data from the study showed that 32.5% of participants had used over-the-counter birth
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  control pills.
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  Access to these pills was associated with a significant increase in their use among those
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  who previously did not use contraception.
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  The ease of access, without needing a doctor's appointment or prescription, was a major factor
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  in this increased usage.
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  Dr.
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  Rodriguez noted that the United States has been behind other countries in making oral
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  contraception available over the counter.
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  Over 30 countries have been offering this option for years, supporting its safety and
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  effectiveness.
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  This new accessibility in the United States is seen as empowering, giving people control over
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  their reproductive health without the need for a prescription.
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  Despite this progress, the study underscores the need for ongoing research to monitor how
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  the uptake of over-the-counter birth control pills evolves and its impact on unintended
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  pregnancy rates.
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  There's also a need to address broader issues like 'contraceptive deserts,' areas with
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  limited access to reproductive health care providers.
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  Experts like Dr.
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  Anne-Marie Amies Oelschlager from the University of Washington have pointed out that
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  over-the-counter options will especially benefit those in remote areas.
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  These are often regions where people must travel long distances to access reproductive
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  health services, making such non-prescription options a vital resource.
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  Megan Kavanaugh from the Guttmacher Institute emphasized the importance of this development
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  as a significant milestone in increasing access to contraception.
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  By offering more avenues for obtaining birth control, whether in stores or online,
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  individuals can gain greater control over their reproductive choices.
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  Climate change is significantly increasing the frequency and severity of flooding events.
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  Whether it is due to hurricanes or everyday storms, the aftermath can be devastating, both
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  along coastlines and inland.
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  The National Weather Service warns that it takes just six inches of fast-moving water to
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  knock over an adult, and even a foot of water can sweep away most vehicles.
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  Beyond the immediate dangers of drowning, floodwaters pose serious health risks.
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  These waters are often contaminated with a mix of sewage, medical waste, industrial chemicals,
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  and more.
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  Dr.
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  Robert Glatter, an emergency physician at Lenox Hill Hospital in New York City, describes
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  floodwaters as a "toxic brew" of various harmful substances, including pesticides,
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  toxins, and petroleum.
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  Dr.
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  Glatter emphasizes that hundreds of types of bacteria and viruses can contaminate these
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  waters, making them hazardous for any contact, whether you are playing in them or simply
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  walking through.
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  Natalie Exum, an environmental health scientist at the Johns Hopkins Bloomberg School of Public
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  Health, points out that the risk is especially high within the first 24 hours of a storm.
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  This is when heavy rains wash out waste and trigger what she calls the "first rush of
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  pathogens."
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  The potential health consequences of exposure to floodwaters are alarming.
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  They range from gastrointestinal illnesses, such as those caused by E.
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  coli, to respiratory infections like Legionnaires’ disease.
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  Skin infections, including necrotizing fasciitis, also known as flesh-eating disease,
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  are other possible threats.
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  Today, we'll delve into a fascinating study from South Korea that suggests breastfeeding
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  may play a crucial role in protecting against early puberty, known as central precocious
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  puberty, in both boys and girls.
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  This condition has been linked to increased risks of adult health problems, including
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  diabetes, cardiovascular diseases, and even cancer.
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  The study, published in JAMA Network Open, highlights that exclusive breastfeeding during
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  the first four to six months of life is associated with a lower risk of developing
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  central precocious puberty.
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  The researchers conducted a nationwide, retrospective cohort study involving over three
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  hundred twenty-two thousand children, using health claims data from the South Korean
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  National Health Insurance Service Database.
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  They found that children who were exclusively breastfed had a significantly lower risk of
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  developing central precocious puberty compared to those who were formula-fed or mixed-fed.
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  The risk was particularly pronounced in girls, where formula-fed girls had the highest risk of
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  developing this condition.
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  Mediation through prepubertal adiposity, which is essentially the amount of body fat before
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  puberty, accounted for a portion of the association between formula feeding and the
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  onset of central precocious puberty.
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  In boys, about seven point two percent of the association was mediated through this factor,
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  while in girls, it was higher at seventeen point eight percent.
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  The study also sheds light on environmental factors that might contribute to early puberty,
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  such as childhood obesity, soy consumption, and exposure to endocrine-disrupting chemicals.
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  However, early feeding practices like exclusive breastfeeding during infancy play a critical
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  role in what the researchers call 'metabolic programming.' This essentially means setting
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  the stage for a child's future metabolic health.
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  Interestingly, the study noted that the relationship between breastfeeding and pubertal
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  development differs between sexes, and the mechanisms behind these differences are not yet
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  fully understood.
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  The researchers emphasized the importance of including boys in developmental health research
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  to better understand these dynamics.
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  In an editorial accompanying the study, experts from Alberta Health Services in Canada and
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  Children's Minnesota Research Institute in Minneapolis highlighted the significance of
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  these findings.
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  They pointed out that exclusive breastfeeding not only promotes cardiometabolic health but
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  also optimizes the trajectory of pubertal development.
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  This underscores the need for early-life obesity prevention and the inclusion of infant
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  feeding practices in broader health strategies.
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  Despite the promising findings, the study had some limitations.
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  For instance, data on maternal age at menarche were not available, and the study could not
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  assess a dose-dependent relationship between breastfeeding duration and central precocious
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  puberty risk.
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  Additionally, the method of breastfeeding—whether via bottle or direct from
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  the breast—was not analyzed.
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  It's important to note that due to the observational nature of the study, causality
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  cannot be definitively established.
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  However, these findings add to the growing body of evidence supporting the benefits of
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  exclusive breastfeeding, especially in the context of early puberty and long-term health
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  outcomes.
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  Today, we're going to explore a fascinating study that suggests the herpes zoster vaccine,
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  commonly known as the shingles vaccine, might do more than just prevent shingles.
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  It could also lower the risk of serious cardiovascular events like heart attacks and
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  strokes.
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  This information comes from a study published in Clinical Infectious Diseases, which analyzed
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  data from a large group of patients aged fifty and older.
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  The study found that receiving two doses of the recombinant herpes zoster vaccine, known as
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  Shingrix, was associated with a significant reduction in the risk of herpes zoster
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  ophthalmicus, a painful eye condition linked to shingles.
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  But what's even more intriguing is that the vaccine was also tied to a lower incidence of
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  hospitalizations for acute myocardial infarction, commonly known as heart attacks,
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  and strokes.
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  Emily Rayens and her colleagues conducted this study at Kaiser Permanente Southern California.
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  They reported that the incidence rate of herpes zoster ophthalmicus was significantly lower
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  among those who received the vaccine compared to those who did not.
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  The vaccine showed an adjusted effectiveness of over seventy-two percent in preventing this
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  condition.
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  More interestingly, the study revealed that the vaccinated group had lower rates of
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  hospitalization for heart attacks and strokes.
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  Specifically, the incidence rate for heart attacks was 0.5 per one thousand person-years
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  in the vaccinated group, compared to 0.6 in the unvaccinated group.
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  For strokes, the rate was 3.3 per one thousand person-years for those who received the
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  vaccine, versus 5.5 for those who did not.
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  Dr.
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  Nisha Acharya from the University of California San Francisco commented on these findings,
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  emphasizing that they add to the growing body of evidence supporting the additional benefits
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  of the Shingrix vaccine.
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  She noted that this data is crucial for clinicians who counsel patients on the benefits
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  of vaccination, particularly because it provides real-world evidence of reduced risks
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  for cardiovascular events.
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  The potential reason behind this protective effect could be that shingles itself increases
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  the risk of cardiovascular complications.
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  By preventing shingles, the vaccine might indirectly reduce these risks.
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  There's also a possibility of another vaccine-induced mechanism at play, though this
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  is still under investigation.
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  The study involved over one hundred thousand vaccinated patients matched with more than four
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  hundred thousand unvaccinated individuals.
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  The researchers took into account various factors like age, sex, race, and even
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  healthcare utilization patterns to ensure the results were as accurate as possible.
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  However, despite these promising findings, the study did have some limitations, such as the
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  inability to calculate vaccine effectiveness specifically for heart attacks and strokes and
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  the presence of potential confounding factors.
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  This research highlights the importance of vaccinations not just in preventing infectious
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  diseases but also in potentially offering broader health benefits.
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  As we continue to understand more about the interconnectedness of different health
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  conditions, studies like this underscore the value of vaccines in comprehensive health
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  strategies.
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  Today, we're diving into the importance of strength training for individuals using GLP-1
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  agonists for weight loss.
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  These medications, such as Ozempic, Wegovy, and Mounjaro, were initially developed to treat
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  type 2 diabetes but have recently gained popularity for their impressive weight loss
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  effects.
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  However, while these drugs are effective at reducing weight, they also lead to a decrease
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  in muscle mass, which is why strength training is vital.
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  More than 15 million Americans are currently using GLP-1 drugs for weight loss.
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  These medications work by suppressing appetite, which can lead to significant fat loss.
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  However, research indicates that a portion of the weight lost is lean muscle mass, with
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  estimates ranging from 15% to 60%.
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  This means if you lose 50 pounds, you could be losing between 7.5 and 30 pounds of muscle
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  mass.
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  Dr.
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  Peter Wenger, an affiliate clinical assistant professor at Rutgers New Jersey Medical School,
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  highlights that many patients do not realize their loss of muscle mass until it impacts
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  their daily life, such as when climbing stairs.
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  To counter this, it's crucial for those on GLP-1 medications to include strength training
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  in their weekly exercise routines.
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  Strong muscles are essential for maintaining bone health, preventing falls, and supporting
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  long-term metabolic health.
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  This is particularly important for individuals aged 65 and older who are already at risk of
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  sarcopenia, the age-related loss of muscle mass, strength, and function.
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  According to Dr.
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  Viral Shah from the Indiana University School of Medicine, even a small reduction in lean
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  mass can be significant for older adults, as they tend to start with a lower muscle mass.
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  Dr.
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  Wenger and other experts suggest starting strength training at a lower intensity,
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  especially given that GLP-1 users may experience side effects like reduced appetite,
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  nausea, and fatigue.
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  They recommend focusing on dynamic movements such as squats and deadlifts, which engage
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  multiple muscle groups and improve coordination.
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  It's also important to ensure adequate protein intake to support muscle building, with
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  recommendations of 1 to 1.2 grams of protein per kilogram of body weight.
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  Timing your protein and carbohydrate intake around workouts can aid in muscle repair and
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  energy replenishment.
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  It's suggested to eat an hour or two before exercise and refuel within 30 to 60 minutes
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  afterward.
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  While this might seem like a lot to manage, the benefits of incorporating strength training are
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  substantial.
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  Stan Ward, a senior personal training manager, emphasizes that increasing muscle mass not only
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  burns more calories at rest but also improves longevity and quality of life.
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  As the use of GLP-1s for weight loss is relatively new, more research is needed to
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  refine exercise and nutrition guidelines.
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  However, the current consensus is clear: strength training should be a key component of
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  any exercise regimen, regardless of whether you're on a GLP-1 medication.
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  That wraps up today’s episode of Morning Medical with Dr.
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  Chow.
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  I hope you found our discussions insightful and that they help inform your health decisions.
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  Thank you for tuning in, and I look forward to bringing you more medical insights tomorrow.
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  Until then, stay healthy and take care!