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Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Male and female plants Male and female plants
Male Skeleton Male Skeleton
Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s Historian James Merrell notes several errors in Benjamin West’s famous 1771 painting, William Penn’s
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Red, fleshy fruits of hawthorn plants (Crataegus) are an important food for cedar waxwings (Bombycil Red, fleshy fruits of hawthorn plants (Crataegus) are an important food for cedar waxwings (Bombycil
Video: Gastrulation: cross section of the frog

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