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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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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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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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