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NIDA

Ciencia de la adicción

Bringing the Power of Science to Bear on Drug Abuse and Addiction

The fifth in a 5-part series, summarizes the science behind drug abuse and addiction, reviews the harmful consequences of drug use, and poses the question of whether it is worth the risk.

Actualizada en: enero del 2007

The Neurobiology of Drug Addiction

The second in a 5-part series, explores the science behind addiction, describing the brain and reward center, and the action of heroine and cocaine.

Actualizada en: enero del 2007

Understanding Drug Abuse and Addiction: What Science Says

The third in a 5-part series, reviews the science behind drug abuse and addiction and introduces the topics of prevention and treatment.

Actualizada en: enero del 2007

The Neurobiology of Ecstasy (MDMA)

The fourth in a 5-part series, explores the biology behind ecstasy use in the brain and discusses both short- and long-term effects of its use.

Actualizada en: enero del 2007

The Brain & the Actions of Cocaine, Opiates, and Marijuana

The first in a 5-part series, offers an understanding of the brain, how the reward center works, and what happens in the brain when a person uses cocaine, opiates (heroine), or marijuana.

Actualizada en: enero del 2007

Office Meets Dynamic Challenges of Diversity

Describes NIDA’s Special Populations Office which promotes addiction science that examines health disparities and foster research careers among members of underrepresented communities.

Brain Changes Accompany Cocaine Withdrawal

Summarizes an animal study of the neural changes in the amygdala portion of the brain that occur as a result of cocaine exposure followed by withdrawal of the drug.

Nicotine Alters the Developing Rat Brain

Describes animal studies that suggested exposure to the drug during gestation or adolescence may cause lasting alterations in reward and motivation circuits.

Cocaine Craving Activates Brain Reward Structures; Cocaine "High" Dampens Them

Reports on a study that documenting changing emotional and neurobiological responses to cocaine with successive doses during a single session of drug taking.

Scientists Pinpoint Brain's Sweet Tooth

Reports on research that successfully traced rats’ liking for sweets to a 1-cubic millimeter site in the medial shell of the nucleus accumbens in the brain.

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