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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.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
There are 20 feet of blood vessels in each square inch of human skin.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.