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Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Elephantiasis in a human leg. Elephantiasis in a human leg.
The birth weight of human infants is tightly constrained by natural selection. The birth weight of human infants is tightly constrained by natural selection.
The traditional human karyotypes derived from a normal female and a normal male The traditional human karyotypes derived from a normal female and a normal male
Tiësto - Back Around (feat. AR/CO) [Official Audio] Tiësto - Back Around (feat. AR/CO) [Official Audio]
Human urinary system. Human urinary system.
Human Lungs (Respiratory System) Human Lungs (Respiratory System)
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

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