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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.


