Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Medication errors are three times higher among children and infants than with adults.
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The horizontal fraction bar was introduced by the Arabs.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
Types of muscle
Relationship between Hox gene number and body complexity in different types of animals.
The five different types of leukocytes (white blood cells).
Types of Hypersensitivities
Many different types of labels may be found on packages containing hazardous materials. Clockwise ...