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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?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Did you know?
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.