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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat
Children with autism generally prefer interacting with objects over people. Children with autism generally prefer interacting with objects over people.
Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ... Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...
How People Match Their Goals to Their Means How People Match Their Goals to Their Means
A glutamate carboxyl group in the enzyme deprotonates N-1 of the pyrimidine A glutamate carboxyl group in the enzyme deprotonates N-1 of the pyrimidine
Group Project Meme Group Project Meme
Video: Covalent bonds - role in the body

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