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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.