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Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.