Adapting Ritalin to tackle cocaine abuse

Cocaine use continues to be a public health problem, yet despite concerted efforts, no drugs have been approved to resolve cocaine addiction. Research suggests that the attention-deficit/hyperactivity disorder drug methylphenidate ...

Rio's urban gardens produce healthy food for the poor

Gun-toting youths watch over a street in a Rio de Janeiro slum hit hard by drug trafficking, but walk a bit further and this rough area also boasts the largest urban vegetable garden in Latin America.

Mechanism of actions of cholecystokinin receptors revealed

Cholecystokinin (CCK) and gastrin are the earliest discovered gastrointestinal hormones. They are the most abundant peptides in gastrointestinal tract and central nervous system, acting as physiologically important hormones ...

A rat's brain, on and off methamphetamine

Drug addiction is a vicious cycle of reward and withdrawal. Chronic users often relapse because of the unpleasant physical and psychological symptoms they experience when they stop taking the drug. Now, researchers report ...

page 1 from 3