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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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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.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.