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Did you know?

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.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Common crustaceans. Common crustaceans.
Note the thickening of the intestinal wall and the erosion of the inner lining of the ileum, often s Note the thickening of the intestinal wall and the erosion of the inner lining of the ileum, often s
Some common functional groups of biomolecules Some common functional groups of biomolecules
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Common Fluoride Products Common Fluoride Products
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

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