Addiction

Small changes in DNA can affect nicotine consumption

Nicotine is an addictive substance and genetic factors are known to play a role in smoking behaviors. Recently, a team of researchers at Penn State and the University of Colorado determined how small differences in a particular ...

Addiction

Study reveals new mechanism in nicotine addiction

Part of the reason people find smoking difficult to quit is that each time they have a cigarette, feelings of craving, irritability and anxiety melt away. This component of addiction is known as negative reward and is controlled ...

Surgery

Study identifies low back pain risk factors

New research presented today at the 2015 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) identifies nicotine dependence, obesity, alcohol abuse and depressive disorders as risk factors for low back pain, ...

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