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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.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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.