Latest / Morning Medical with Dr. Chow / Exercise and Cancer, Tick-Borne Diseases, and Coffee's Impact on Diabetes
Transcript
- 0:00Welcome to Morning Medical with Dr.
- 0:02Chow, your daily update on the latest medical and health news from around the world.
- 0:07I'm Dr.
- 0:07Chi-Ming Chow, your host for today.
- 0:10As a cardiologist and professor of medicine, I'm excited to delve into some fascinating
- 0:15topics that touch the lives of many.
- 0:18Today, we’re going to explore a groundbreaking study on the link between cancer and exercise,
- 0:23a topic that’s been gaining a lot of attention recently.
- 0:29Regular exercise is well-known for its myriad of health benefits, from reducing the risk of
- 0:34chronic conditions like diabetes and heart disease to improving mental health.
- 0:39However, a new study published in the New England Journal of Medicine highlights an
- 0:44additional benefit that may surprise you: exercise can significantly improve outcomes for
- 0:50patients with cancer.
- 0:52This study shows that patients with cancer who participated in a structured exercise program
- 0:58lived longer without cancer recurrence and had a lower risk of dying during the trial period
- 1:04compared to those who did not engage in such programs.
- 1:07The randomized-controlled trial involved nearly 900 patients from 55 cancer centers across six
- 1:15countries, all of whom had been treated for either stage III or high-risk stage II colon
- 1:22cancer.
- 1:24To understand why exercise can be so beneficial, CNN spoke with Dr.
- 1:29Leana Wen, an emergency physician and adjunct associate professor at George Washington
- 1:35University.
- 1:36She explained that while previous research suggested exercise could be beneficial for
- 1:40cancer survivors, this is the first randomized trial to demonstrate that exercise after cancer
- 1:47treatment can reduce recurrence and improve survival.
- 1:52In the study, patients were divided into two groups.
- 1:55The control group received standard health education materials promoting healthy eating
- 1:59and physical activity, while the other group participated in a structured exercise program.
- 2:05This program involved working with a health coach for guidance and supervised exercise
- 2:10sessions.
- 2:12Participants in the exercise group showed significant improvements in physical function,
- 2:17such as increased distance walked in six minutes and improved VO2 max, both indicators
- 2:23of cardiovascular fitness.
- 2:25Dr.
- 2:27Wen highlighted the study's importance, noting that if a new drug had achieved similar
- 2:31results, it would be considered a groundbreaking development in cancer treatment.
- 2:37The findings could potentially change treatment protocols, encouraging the integration of
- 2:42exercise as a standard part of post-treatment care for cancer patients.
- 2:46The benefits of exercise extend beyond just physical improvements.
- 2:50Regular physical activity is associated with lower risks of developing certain cancers,
- 2:55possibly due to its effects on weight management, hormone regulation, and reducing
- 3:00inflammation.
- 3:01The United States Centers for Disease Control and Prevention recommends at least 150 minutes
- 3:06of moderate to high-intensity exercise per week, which can be broken into smaller,
- 3:11manageable sessions throughout the day.
- 3:15Dr.
- 3:16Wen advises that while reaching the recommended 150 minutes per week is ideal, even small
- 3:22amounts of physical activity can offer significant benefits.
- 3:26She suggests incorporating "exercise snacks" into your day, such as short bursts of activity
- 3:31like squats or walking during phone calls.
- 3:33These small changes can add up and make a big difference in your health.
- 3:39Ticks can be active in any season, so it's crucial to check for and remove these
- 3:43bloodsuckers as quickly as possible, especially after spending time outdoors hiking, gardening,
- 3:49or simply enjoying nature.
- 3:51Dr.
- 3:51Sam Telford, an infectious diseases expert at Tufts University in Boston, emphasizes that
- 3:57while people tend to hear more about tick infections during the summer, caution is
- 4:02necessary all year round because "every season is tick season."
- 4:06Tick populations can vary widely by region.
- 4:09For instance, some Northeastern states like Maine, Massachusetts, and Rhode Island are
- 4:15experiencing above-average numbers of American dog ticks this year.
- 4:20Meanwhile, New York state has reported a higher number of deer tick bites compared to last
- 4:25year, according to Dr.
- 4:27Saravanan Thangamani, who studies tick-borne diseases at SUNY Upstate Medical University in
- 4:33Syracuse.
- 4:35Ticks, much like mosquitoes, require blood to feed.
- 4:40However, unlike the quick bite of a mosquito, ticks are slow feeders that attach to the skin
- 4:45with their hooked mouthparts, feeding on hosts such as deer, rabbits, dogs, and humans.
- 4:52Not all tick species spread germs that can cause illness, but blacklegged ticks, also
- 4:58known as deer ticks, are a primary concern as they can transmit Lyme disease.
- 5:03Although these ticks were once primarily found in New England and parts of the Midwest, they
- 5:08are now present over a much larger area.
- 5:11It's important to note that a tick bite does not always result in disease.
- 5:17Dr.
- 5:18Telford points out that if a tick is removed within twenty-four hours of attachment, the
- 5:23likelihood of infection is quite low.
- 5:25Ticks are typically found close to the ground in areas with leaf litter or tall grass, so
- 5:31it's essential to check your clothing and perform a thorough full-body check, including
- 5:36under the arms, behind the ears, and around the knees and hairline.
- 5:41Dr.
- 5:42Bobbi Pritt from the Mayo Clinic suggests doing a quick check for ticks every few hours if
- 5:46you're outdoors all day, and taking a shower once indoors to wash off any unattached ticks
- 5:51and help spot others.
- 5:53When removing a tick, use tweezers to grasp it as close to the skin as possible and pull it
- 5:59out from the head.
- 6:00If tweezers aren't available, you can use your fingernails, the edge of a credit card, or any
- 6:05semi-sharp object to assist with removal.
- 6:09To minimize tick exposure, use bug sprays containing DEET on exposed skin and wear long
- 6:16sleeves and pants.
- 6:18Clothing can also be treated with repellents containing permethrin, a chemical similar to a
- 6:23natural ingredient in chrysanthemums that deters ticks.
- 6:27Don't forget to protect your pets from ticks as well.
- 6:31Medications are available to prevent fleas and ticks from attaching to a pet's skin, but it's
- 6:36still a good idea to check their fur after being outside.
- 6:40Dr.
- 6:41Thangamani advises paying attention to areas pets can't groom easily, such as the ears,
- 6:47muzzle, under the collar, and between the toes, as these are common places for ticks to attach.
- 6:53Pets that roam outdoors can bring ticks into the house, where they can live for months until
- 6:58finding a new host, possibly another member of the household.
- 7:03After removing a tick, it's important to monitor the skin around the bite for any signs
- 7:08of a rash or flu-like symptoms, which could appear within several days to weeks.
- 7:14If these symptoms develop, it's advisable to see a doctor.
- 7:18The United States Centers for Disease Control and Prevention does not recommend testing ticks
- 7:23for diseases, as the results may not be reliable.
- 7:28Today, we're turning our attention to a fascinating study that was recently published
- 7:33in the International Journal of Molecular Sciences, exploring the potential benefits of
- 7:38polyphenols found in coffee.
- 7:41Researchers from universities in the Republic of Korea have uncovered some intriguing
- 7:45findings that suggest drinking black coffee, whether caffeinated or decaffeinated, can lower
- 7:51the risk of developing type 2 diabetes.
- 7:54The study analyzed data from 149 publications to examine how coffee's natural compounds,
- 8:01specifically polyphenols, affect metabolic processes related to type 2 diabetes.
- 8:08These polyphenols, including five hydroxycinnamic acids, were found to have
- 8:13beneficial effects on the small intestines, pancreas, liver, muscles, and other tissues.
- 8:19The analysis revealed that regular consumption of black coffee helped modulate blood sugar
- 8:25levels, suppress inflammation, enhance insulin sensitivity, provide antioxidant properties,
- 8:31and improve glucose metabolism.
- 8:34One of the most striking findings was that both caffeinated and decaffeinated coffee appeared
- 8:40to offer these benefits, suggesting that the positive effects are not solely due to caffeine
- 8:46but rather other components of the coffee.
- 8:48Regular coffee drinkers experienced a 20 to 30 percent lower risk of developing type 2
- 8:54diabetes, which is quite significant.
- 8:58Zhaoping Li, a professor of medicine and chief of the Division of Clinical Nutrition at the
- 9:03University of California, Los Angeles, highlighted that coffee is a natural product,
- 9:08and when consumed black, it consists of just coffee beans and hot water.
- 9:14Li emphasized the potential health benefits of coffee's compounds, which are similar to those
- 9:19found in certain spices, and noted that coffee can be a beneficial part of a healthy
- 9:25lifestyle.
- 9:27However, as with any dietary recommendation, there are some cautions to consider.
- 9:32Marilyn Tan, a clinical associate professor of medicine at Stanford University, pointed out
- 9:38that while the findings are promising, they are based on observational studies and some
- 9:43research conducted in lab settings.
- 9:46She also warned that excessive caffeine intake from drinking three to five cups of coffee
- 9:50daily could lead to unwanted symptoms like headaches, jitteriness, nausea, and insomnia,
- 9:58especially for individuals with certain health conditions.
- 10:01For those who cannot tolerate high amounts of caffeine, decaffeinated coffee offers a viable
- 10:06alternative, allowing individuals to reap the benefits of polyphenols without the
- 10:11caffeine-related side effects.
- 10:14Additionally, incorporating tea or spices into your diet can also provide similar benefits.
- 10:20To maximize the health benefits of coffee, it is recommended to drink it black without adding
- 10:25sugar or cream.
- 10:27Avoiding unhealthy breakfast foods like sugary donuts alongside your coffee is also advised.
- 10:33Replacing sugary drinks with black coffee can be particularly beneficial, especially for
- 10:38those looking to improve their glucose metabolism and reduce their risk of type 2
- 10:43diabetes.
- 10:45It's essential to remember that coffee is just one piece of the puzzle when it comes to
- 10:49managing type 2 diabetes risk.
- 10:53The Centers for Disease Control and Prevention reports that nearly 39 million American adults
- 10:58have diabetes, with type 2 being the most common.
- 11:03Factors such as genetics, excessive weight, lack of physical activity, and a diet high in
- 11:08sugar and refined carbohydrates can all increase the risk.
- 11:13To reduce the risk of type 2 diabetes, experts like Li and Tan recommend adopting a healthy
- 11:18lifestyle that includes regular moderate-intensity exercise, reducing
- 11:22carbohydrate intake, minimizing processed foods, maintaining muscle mass, avoiding
- 11:28tobacco, reducing alcohol intake, and ensuring good sleep quality.
- 11:34In an inspiring story that highlights the power of technology in modern medicine, a couple who
- 11:39had been trying to conceive for 18 years found success with the help of artificial
- 11:44intelligence.
- 11:45After numerous attempts at in vitro fertilization, or IVF, they turned to the
- 11:50Columbia University Fertility Center, where a novel AI-based approach known as the STAR
- 11:56method made all the difference.
- 11:59This couple faced a challenging road due to a condition known as azoospermia, where no
- 12:04measurable sperm are present in the male partner’s semen.
- 12:08For years, this condition made the dream of parenthood seem out of reach.
- 12:12However, the STAR method, which stands for Sperm Tracking and Recovery, uses AI to
- 12:19identify and recover hidden sperm, even in cases where traditional methods found none.
- 12:25The process involved the husband providing a semen sample, which was then analyzed by the AI
- 12:30system.
- 12:31Remarkably, the system was able to find three hidden sperm, which were used to fertilize the
- 12:37wife’s eggs through IVF.
- 12:39This resulted in the couple's first successful pregnancy, with their baby expected in
- 12:44December.
- 12:46Dr.
- 12:46Zev Williams, director of the Columbia University Fertility Center, explained how the
- 12:51STAR system uses high-speed cameras and imaging technology to scan semen samples and identify
- 12:59sperm cells.
- 13:00The system can take over eight million images in under an hour, isolating sperm cells for use
- 13:06in fertility treatments.
- 13:08This breakthrough offers new hope for many couples, as male infertility accounts for up to
- 13:1340 percent of infertility cases in the United States.
- 13:17Traditional treatment options for azoospermia often involve invasive surgery or hormone
- 13:23treatments, but the STAR method provides a non-invasive alternative that can be repeated
- 13:28without the risk of permanent damage.
- 13:31While the STAR method is currently available only at Columbia University Fertility Center,
- 13:37there is hope that its success will lead to wider adoption.
- 13:41The cost for using the STAR method is about three thousand dollars, which could be a
- 13:46worthwhile investment for many couples facing similar challenges.
- 13:51The use of artificial intelligence in fertility care is not entirely new, as AI has been
- 13:56employed to assess egg quality and screen embryos during IVF.
- 14:01However, the application of AI in addressing male infertility, particularly azoospermia,
- 14:07represents a significant advancement.
- 14:11Experts like Dr.
- 14:12Aimee Eyvazzadeh emphasize that AI is helping us see what our eyes cannot, enhancing human
- 14:17expertise rather than replacing it.
- 14:20While AI offers promising tools for fertility care, there are cautions about the need for
- 14:25thorough validation to ensure consistent and reliable results.
- 14:30As with any groundbreaking technology, it's essential to balance optimism with careful
- 14:35consideration of the limitations and potential risks.
- 14:39But for now, the STAR method stands as a beacon of hope for those who have struggled with
- 14:45infertility, illustrating how technology can transform lives.
- 14:51Thank you for joining me on Morning Medical with Dr.
- 14:54Chow.
- 14:55I hope today's stories have informed and inspired you.
- 14:59Remember, whether it's advancements in cancer care, managing tick-borne diseases, or
- 15:04breakthroughs in fertility treatments, the world of medicine is constantly evolving.
- 15:09Stay healthy and see you next time.