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Author Question: Despite the sexual revolution, most American teens have not had sexual intercourse by the time they ... (Read 104 times) |
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.