Colon Cancer

Why tumors become resistant to chemotherapy?

A common observation in oncology is the phenomenon that a patient with a tumor receives a drug and responds very well, but after a few months the cancer comes back and is now resistant to previously administered ...

Dec 02, 2013
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Supercomputing human immunology

Larry Smarr began his scientific career as an astrophysicist studying billions of stars in far-off galaxies. More recently, he's been studying much larger numbers of units closer to home—his own body.

Nov 25, 2013
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Chronic diseases hinder good cancer survival rates

There are many people in this position and the number is increasing; cancer patients who not only have to fight against cancer, but also suffer from other diseases. So-called comorbidity is a large and growing problem, not ...

Nov 15, 2013
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Biomarker may help predict aggressive cancers

For children with central nervous system cancers, the presence of a specific genetic modification—hypermethylation of the TERT promoter—may help predict tumor progression and patient survival, according to results presented ...

Nov 05, 2013
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Lighting up can bring you down in colorectal surgery

Infection, pneumonia, blood clots and kidney failure are all possible complications after any major surgery. A new study shows that smoking boosts the risk of such complications following some of the most common colorectal ...

Sep 24, 2013
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Latest Spotlight News

Scientists discover an on/off switch for aging cells

(Medical Xpress)—Scientists at the Salk Institute have discovered an on-and-off "switch" in cells that may hold the key to healthy aging. This switch points to a way to encourage healthy cells to keep dividing ...

Marijuana users who feel low get high

Adolescents and young adults who smoke marijuana frequently may attempt to manage negative moods by using the drug, according to a study in September's Journal of Studies on Alcohol and Drugs.