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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 people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.