Tests suggest that very small pieces of plastic can react with water inside us and make molecules that may harm the body.
Scientists have linked very small pieces of plastic to many human health problems. Now, tests suggest how these pieces may hurt us. The plastic can react with water inside the body.
This reaction can make molecules, or very small parts of a substance. These molecules react easily with other things in the body. They can cause damage. They can also make parts of the body become swollen and sore. The tests suggest a possible reason for the health problems linked to tiny pieces of plastic.
A mushroom in China and the Philippines can make people see tiny people. Scientists are looking for the chemical behind these strange experiences.
People who took their blood pressure medicine more often had better results in a large study.
A study links two alcoholic drinks a day to a higher risk of early death. Drinking small amounts also brings some health risks.
Scientists found changes in blood up to 10 years before doctors found bowel disease. The findings may help doctors in the future, but more research is needed.
Older adults took fish oil for two years. It did not help their memory or thinking compared with a pill with no active treatment.
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