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  • What are microplastics?

    What are microplastics?
    Jan 16 2025
    Microplastics, tiny plastic particles less than 5 millimeters in diameter, are a growing concern. These particles, originating from various sources like personal care products and the breakdown of larger plastics, contaminate environments worldwide, including oceans, soil, and even the air. Their impact on ecosystems is significant, affecting marine life and potentially impacting human health through ingestion, inhalation, and chemical exposure. While the full extent of health risks is still under investigation, concerns include inflammation, potential disruption of gut microbiota, and interactions with other toxins. Addressing this issue requires a multifaceted approach involving policy changes, technological innovation, and increased public awareness.
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    17 Min.
  • Foot pain - A look at why your feet might hurt

    Foot pain - A look at why your feet might hurt
    Dec 3 2024
    Foot pain is a common problem with various causes, ranging from injuries and overuse to underlying medical conditions and improper footwear. The text explores common sources of pain in different areas of the foot, including the heel, arch, ball, toes, and top of the foot, describing specific conditions like plantar fasciitis and bunions. It also offers self-care strategies such as rest, ice, and over-the-counter pain relief, while advising when professional medical attention is necessary. Finally, the importance of supportive footwear and regular exercise is highlighted for prevention and management.
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    25 Min.
  • Wildfires - How to cope when smoke affects air quality and health

    Wildfires - How to cope when smoke affects air quality and health
    Dec 3 2024
    Wildfire smoke poses significant health risks, impacting air quality far beyond the immediate fire zone. Harmful particles and gases in smoke can cause respiratory and cardiovascular problems, particularly for vulnerable populations like children, the elderly, and those with pre-existing conditions. The episode emphasizes preparing for wildfire emergencies through evacuation planning and stockpiling supplies. It also provides strategies for minimizing exposure during poor air quality, including using air purifiers, improving indoor air quality, and limiting outdoor activities. The information, however, should not replace professional medical advice.
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    15 Min.
  • Are your blood pressure readings wrong?

    Are your blood pressure readings wrong?
    Nov 13 2024
    A new study published in the journal JAMA Internal Medicine found that measuring blood pressure with the arm hanging by the side or resting on the lap can lead to higher readings than measuring it with the arm resting on a table at heart level. Researchers from John Hopkins Medicine determined that the difference in readings is likely due to the increased distance between the arm and the heart in the incorrect positions. This finding reinforces existing guidelines for taking blood pressure, as the researchers estimate that 16% of U.S. adults could be falsely diagnosed with high blood pressure if the wrong arm position is used.
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    12 Min.
  • Is tea good for you?

    Is tea good for you?
    Nov 13 2024
    Recent studies suggest that drinking tea regularly over a long period of time may be associated with a lower risk of death from heart disease. The research examined several studies, focusing on the long-term effects of tea consumption on heart health. While the findings are promising, the studies did not prove a direct causal link between tea and reduced heart disease risk, and further research is needed to confirm the benefits. The research also examined the effects of other beverages like coffee, sugary drinks, and alcohol on heart health, finding that sugary drinks were associated with an increased risk of heart disease, while coffee consumption was linked to a lower risk of death for men, but not women.
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    10 Min.
  • Ultra-processed foods? How bad are they for your health

    Ultra-processed foods? How bad are they for your health
    Nov 13 2024
    Ultra-processed foods, which include items like ice cream, packaged bread, and some alcoholic beverages, are gaining increasing attention for their potential health implications. While these foods are convenient and heavily marketed, research suggests they may contribute to high blood pressure, cardiovascular disease, and even early death. The NOVA food classification system categorizes food based on processing levels, with ultra-processed foods at the highest end. However, researchers acknowledge that more investigation is needed to understand the precise mechanisms by which ultra-processed foods affect health. The episode emphasizes the importance of balancing ultra-processed foods with minimally processed foods like fruits, vegetables, and whole grains and recommends reading food labels to make informed choices.
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    10 Min.
  • Why Sleep Is the Key to Living Longer

    Why Sleep Is the Key to Living Longer
    Nov 7 2024
    The provided episode discusses the importance of sleep for optimal healthspan, which refers to the amount of time spent in good health. The author emphasizes that adequate sleep is crucial for cognitive function, immune system health, and overall well-being. He provides evidence from scientific research and expert opinions, including those from Matthew Walker, a leading sleep expert. The text also offers practical tips for improving sleep hygiene and emphasizes the detrimental consequences of sleep deprivation, such as increased risks of cancer, Alzheimer's disease, and metabolic disorders.
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    26 Min.
  • Why some Doctors are recommending Apple Watches

    Why some Doctors are recommending Apple Watches
    Nov 6 2024
    Wearable devices like Apple watches are becoming increasingly valuable tools for managing health, according to cardiologist Dr. Rod Passman. These devices can help diagnose and monitor conditions such as heart disease, empowering patients to take a more active role in their health. Passman emphasizes that these devices can assist in diagnosis but do not replace the need for medical confirmation, and he encourages patients to choose devices compatible with their phones and budget. The increasing availability and potential of wearable devices offer exciting possibilities for personalized healthcare in the future.
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    5 Min.