News & advice
The latest health news and everyday advice in plain language. Every article is based on the World Health Organization or another trusted public-health source.
A study of 123 adults found that differences in gut bacteria explain about 15% of the variation in biological aging rates. While this does not prove cause and effect, everyday habits like diet and physical activity can shape these bacterial communities.
A small clinical trial found that a prebiotic fiber called inulin reduced knee osteoarthritis pain and improved grip strength. The benefits may be linked to changes in gut bacteria.
A large study found that people who get less than 42 minutes of bright daylight daily face a higher risk of dementia. Spending time outdoors may be an important habit for brain health.
A small U.S. study found that children who ate more ultra-processed foods showed stronger brain reward responses to food pictures, which was linked to greater body fat increases a year later.
A study found that adults with prediabetes who ate one avocado and a cup of mango daily for eight weeks saw better blood vessel function. The benefits appeared without weight gain, though more research is needed.
A large study links regular tea drinking to an 11% lower risk of heart and blood vessel diseases. However, drinking tea extremely hot was linked to higher risk.
A UCLA study found that long-term exposure to the pesticide chlorpyrifos is linked to more than 2.5 times the risk of Parkinson's disease. Researchers also discovered how the chemical harms brain cells and identified a possible way to protect them in laboratory models.
A small study in the Netherlands found that older adults who ate unsalted peanuts daily for 16 weeks showed better insulin responses in memory-related brain areas. Earlier results from the same team also linked daily peanut intake to improved verbal memory and brain blood flow.
A 24-year study of more than 8,200 adults found that higher body weight is associated with faster declines in memory and thinking. Managing your weight may help protect your brain within just two years.
Laboratory research from Norway suggests that JAK inhibitors — medicines commonly prescribed for rheumatoid arthritis and other inflammatory conditions — may weaken a key immune defense against certain viruses. If you take these drugs, do not stop or change your dose on your own; talk to your doctor first.
A study of nearly 13,000 adults in Brazil found that people who consumed the most low- and no-calorie sweeteners had a 62% faster decline in memory and thinking skills over eight years. The link was strongest in adults under 60 and those with diabetes, though the study does not prove cause and effect.
A clinical trial found that an intensive diet and exercise program helped 54% of younger adults achieve type 2 diabetes remission in six months. The study took place in Canada and the UK, so this specific program is not yet standard care elsewhere.
Articles are prepared from the source by AI (Qwen) and automatically checked for facts, numbers and language. Not a substitute for medical advice.
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