Evolution may be to blame for high risk of advanced cancers in humans

Compared to chimpanzees, our closest evolutionary cousins, humans are particularly prone to developing advanced carcinomas—the type of tumors that include prostate, breast, lung and colorectal cancers—even in the absence of known risk factors, such as genetic predisposition or tobacco use. A recent study led by researchers at University of California San Diego School of Medicine […]

Continue Reading

Many older adults hospitalized with the flu face persistent functional decline

In a study of older adults admitted to the hospital with influenza and other acute respiratory illnesses during the 2011-2012 flu season, functional decline was common—and for some, this decline was persistent and catastrophic. The findings are published in the Journal of the American Geriatrics Society. Among the 925 patients included in the study, 8.4% […]

Continue Reading

The ethics of human challenge trials

The first human challenge trial to test COVID-19 treatments and vaccines is set to begin in January in the United Kingdom. These trials, in which healthy volunteers are infected with the virus after being given different vaccines under development, have sparked ethical debates around the benefits of developing a vaccine quickly and the risks of […]

Continue Reading