Osteoarthritis

Pfizer stock trades halted over drug patent ruling

A U.S. court on Wednesday invalidated the key patent for one of Pfizer's most lucrative medicines, potentially opening the door for cheaper generic versions 18 months sooner than expected and cutting into the drugmaker's ...

Mar 12, 2014
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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.