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Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Visualization of heat exchange in an ectotherm and an endotherm. Visualization of heat exchange in an ectotherm and an endotherm.
Striking examples where high surface area releases heat. Striking examples where high surface area releases heat.
Photo of the neck of a patient with non-Hodgkin’s lymphoma showing the swelling associated with enla Photo of the neck of a patient with non-Hodgkin’s lymphoma showing the swelling associated with enla
Concentric double-pipe heat exchanger for co-current flow Concentric double-pipe heat exchanger for co-current flow
Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925. Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925.
The Wong-Baker “Faces” pain rating scale The Wong-Baker “Faces” pain rating scale
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

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