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Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Did you know?
The horizontal fraction bar was introduced by the Arabs.