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Did you know?
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.