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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Gram Stain of a person's Gum line
Line analysis of Gustave Caillebotte, Place de l'Europe on a Rainy Day.
diagram of question asked
4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ...
A Schematic Representation of the Flawed Predator Experiment
The Milgram Obedience Experiment