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Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.