A disease that causes people to age faster

Progeria is derived from the Greek words pro meaning before and geria meaning old age. It is technically called the Hutchinson-Gilford Progeria Syndrome. It is a disease that causes a person to age faster than the norm. People with progeria do not survive beyond their teens. One in eight million people has this disease.

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Who began the practice of vaccination?

The word ‘vaccine’ is derived from the Latin word vacca meaning cow. A vaccine is prepared from killed microbes or other substances that resemble the activity of the organisms that are known to cause the disease. English physician and scientist Edward Jenner established the system of vaccination. He used the vaccination material extracted from virus of affected cows.

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