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Did you know?

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

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Vehicle transmission occurs through contamination of inanimate objects, such as milk. Vehicle transmission occurs through contamination of inanimate objects, such as milk.
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
Don't look back Don't look back
Good body mechanics when facing the head or foot of the table. A. Head and back in alignment. B. ... Good body mechanics when facing the head or foot of the table. A. Head and back in alignment. B. ...
Contents of the scrotum, anterior view Contents of the scrotum, anterior view
Neutral defense against stomach acid Neutral defense against stomach acid
Video: Net filtration pressure and lymph formation, edema & blood velocity

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