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Author Question: The greatest recent growth for contractors has been in primary- and secondary-school markets because ... (Read 13 times) |
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.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
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.
Vaccines prevent between 2.5 and 4 million deaths every year.