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Asthma cases in Americans are about 75% higher today than they were in 1980.
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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 Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.