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Author Question: The substances in a heterogeneous mixture retain their chemical identity, but those in a homogeneous ... (Read 50 times) |
More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.