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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

In the communication technique of collaborating, the nurse sends the message that the nurse and pati In the communication technique of collaborating, the nurse sends the message that the nurse and pati
The immune system has several different components that work in concert. The immune system has several different components that work in concert.
Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo
Men’s work? Women’s work? Customs in other societies can blow away stereotypes. As is common ... Men’s work? Women’s work? Customs in other societies can blow away stereotypes. As is common ...
The following sentence is written in the passive voice: The man rode his skateboard to work ... The following sentence is written in the passive voice: The man rode his skateboard to work ...
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Automated external defibrillator (AED)

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