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Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Electron microscopic image of dinoflagellates Electron microscopic image of dinoflagellates
electron microscope image of a diatom electron microscope image of a diatom
Magnetic resonance imaging (MRI) image demonstrating a back herniated disk. Magnetic resonance imaging (MRI) image demonstrating a back herniated disk.
This image shows the spread of droplets from an uncovered sneeze. This image shows the spread of droplets from an uncovered sneeze.
Eating Disorders and Body Image (2 of 2) Eating Disorders and Body Image (2 of 2)
A little part of textbook image A little part of textbook image
Video: Buffers definition and the role of buffer in the body

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