According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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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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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Examples of intracellular receptors
Visual communication in fireflies.
Linear alopecia developed in this man from daily wearing of his military uniform cap