Human Health
- Question: What is the most prevalent noncontagious disease in the world?
- Answer: Tooth decay is believed to be the most prevalent noncontagious disease in the world.
- Question: Who discovered penicillin?
- Answer: Scottish scientist Alexander Fleming’s discovery in 1928 of penicillin, the first antibiotic to successfully treat infections caused by bacteria, had far-reaching implications for medicine.
- Question: What causes the skin malady known as acne?
- Answer: Extra oil production during the teenage years makes many in this age group suffer a skin inflammation known as acne.
- Question: What causes the skin disease called shingles?
- Answer: Viruses can cause skin blisters known as shingles.
- Question: Who developed a vaccine against polio?
- Answer: Jonas Salk invented a vaccine against polio that, after being introduced in 1955, saved millions of people from the disease.
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© Medioimages/Photodisc/Getty Images
© Medioimages/Photodisc/Getty Images