Neuroscience

Brain mechanisms of food reward

Studying what makes us want to eat, could help devise approaches to prevent obesity, which is becoming widespread in Europe

Addiction

Crack cocaine wreaks havoc in Rio shantytown

Firecrackers and sporadic gunfire greeted the police-escorted social workers as they drove into northern Rio's Jacarezinho shantytown, home to a large population of crack cocaine addicts.

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