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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").