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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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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.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.