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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.