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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Successful agriculturalists must have a basic understanding of landscape structure and process. Thes Successful agriculturalists must have a basic understanding of landscape structure and process. Thes
Formed Elements of Blood Formed Elements of Blood
Basic structure of the autonomic pathway Basic structure of the autonomic pathway
The gender roles that we learn during childhood become part of our basic orientations to life. ... The gender roles that we learn during childhood become part of our basic orientations to life. ...
Stereotypes, which play such a profound role in social life, are a basic area of sociological ... Stereotypes, which play such a profound role in social life, are a basic area of sociological ...
Elements of a phylogenetic tree Elements of a phylogenetic tree
Video: baroreceptors

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