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Author Question: For his class project, Nick is conducting a personality assessment of his father. First he asks his ... (Read 89 times) |
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.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.