Colorado Springs high school junior Morgan Smith can't remember a time when he didn't have life-threatening food allergies.
Read MoreStudy Shows Many Patients Aren't Always Honest With Their Doctors About Taking Medicine
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A simple spit test could identify thousands of children with severe asthma who are taking medication which will never help them, scientists say.
One in seven people will not respond to salmeterol, found in purple or green inhalers, which is given to tens of thousands of children in the UK.
A study of 62 children showed those patients could be identified and given effective treatment.
The results were published in the journal Clinical Science.
Read MoreWhen you're sick and miserable with a cold, you might grab the first box of cold medicine that you see on the drugstore shelf. But experts say that we should be savvier when choosing a cold medicine.
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The early flu season has turned severe in some parts of the country, stretching health care providers and drug supplies.
According to the latest numbers from the CDC, there's now widespread flu activity in 41 states. New York City and 29 states are reporting a high number of cases of flu-like illness.
So far this flu season, 2,257 people have been hospitalized with laboratory-confirmed flu. Eighteen children have died.
The number of deaths attributed to both pneumonia and the flu is still below epidemic levels.
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Just how long should that pesky cough last?
The answer, according to most doctors, is close to 18 days. Yet many people with a cough get antsy after about five to nine days, a new study shows.
"Coughs last for longer than we think they do," says researcher Mark H. Ebell, MD, a family doctor at the University of Georgia in Athens. "People think it should be over in a little over a week, but the reality is that a cough is more likely to last two weeks."
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