Neuroscience

Scientists shed light on how brains turn pain up or down

Pain perception is essential for survival, but how much something hurts can sometimes be amplified or suppressed: for example, soldiers who sustain an injury in battle often recall not feeling anything at the time.

Neuroscience

Unraveling the brain's reward circuits

To some, a chocolate cake may spark a shot of pleasure typically associated with illicit drugs. A new study by Penn biologists offers some insights into that link, revealing new information about how the brain responds to ...

Medications

Antidote for cocaine overdose shows promise in lab tests

Scientists at The Scripps Research Institute have shown that an injectable solution can protect mice from an otherwise lethal overdose of cocaine. The findings could lead to human clinical trials of a treatment designed to ...

Medical research

Addicts helped by implanted devices: study

Persons addicted to heroin or prescription pain killers can get help kicking their habit by using an implanted device under the skin that delivers small doses of medication, researchers reported Tuesday.

Medical research

Proteins may point to alcohol use test

Measuring a set of protein changes in the blood linked to alcohol use may potentially lead to a more accurate diagnostic test than those currently available, according to Penn State College of Medicine researchers.

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