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Author Question: The sale of goods constitutes the largest number of contracts formed in the country's economic ... (Read 46 times) |
The longest a person has survived after a heart transplant is 24 years.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.