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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Did you know?
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.