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Author Question: Physical activity incorporates all body movements produced by the skeletal and cardiac muscles that ... (Read 41 times) |
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Medication errors are three times higher among children and infants than with adults.