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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.