In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Patients are encouraged to take an active role in their health care.
1–12 Elements essential to animal life and health
Common Health Problems in Community-Dwelling Older Adults
Stages of Health Behavior Change
Remaining health-adjusted life expectancy (years) at age 25