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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
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.