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Obesity Linked to Missing DNA
British researchers have linked cases of severe childhood obesity to a rare chromosome deletion. The scientists believe that the deletion removes a gene that the brain needs to respond to the hormone leptin, which controls appetite. The genetic error is a cause only in rare, severe cases. Learn more about other, more common causes of childhood obesity.
Cholera Spreads in Kenya
A cholera epidemic continues to escalate in Northern Kenya, with 4,700 cases reported and 119 deaths in the past month. The spread of the disease can be attributed to a devastating drought this year; with no rain, Kenyans have been forced to survive on dirty, stagnant water, which is how cholera typically spreads. Learn more about this rapid spreading disease.
Quitting Smoking Reverses Asthma
Dutch scientists have found that asthmatic smokers can reverse some of the damage to their lungs by quitting smoking. Cigarette smoke increases the thickness of the lining in the lungs, which results in more severe asthma symptoms for smokers. After quitting, the lining appears to revert more or less back to normal. Get the help you need to quit smoking today.
E.coli Vaccine Undergoes Testing
After years of government-induced delays, a vaccine for a dangerous form of the E. coli bacteria is finally being tested on cattle. If successful, the vaccine could significantly reduce the number of animals that carry the bacteria by up to 75%. Learn more about E. coli, which causes 73,000 illnesses and 61 deaths a year in the United States.
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