Tag Archives: Brain

Shape of Brain in Cocaine Users May Influence Whether They Become Addicted

The shape of cocaine users’ brains may influence whether they become addicted to the drug, British researchers have found. A smaller frontal lobe is associated with a greater risk of cocaine addiction. …

A Few Drinks a Day Can Affect Brain: Rat Study

A new study in rodents suggests that having a few drinks a day can adversely affect the brain. …

Alcohol’s Effects on Brain Can Begin to Subside Soon After Person Stops Drinking

Alcohol’s damaging effect on the brain can begin to subside two weeks after a person stops drinking, a new study suggests. Recovery may vary among different areas of the brain, the researchers say. …

Decreased Interest in Food Linked with Greater Interest in Cocaine, Mouse Study Suggests

A decreased interest in food is associated with a greater interest in novelty-seeking behavior and cocaine use, a mouse study suggests. …

Poor Impulse Control May be Pre-Wired in Some Teens

Poor impulse control may be pre-wired in some teenagers, suggests a new study. Researchers have identified brain networks that are linked to impulse control and drug addiction, which may exist even before someone is exposed to alcohol or drugs. …

Chronic Cocaine Use May Hasten Aging of the Brain

Chronic cocaine use may accelerate aging of the brain, a new study suggests. The study found people with cocaine dependence have greater levels of age-related loss of nerve tissue in the brain called gray matter. …

Men Who Smoke Have Faster Brain Function Decline Than Nonsmokers

Middle-aged male smokers experience a faster decline in brain function compared with men who never smoked, a new study finds. Decline in brain function among men who quit 10 years ago is similar to that seen in men who never smoked. …

Ecstasy May Cause Long-Lasting Changes in the Brain, Study Suggests

Ecstasy may produce long-lasting changes in brain chemistry, a new study suggests. The drug can cause a drop in the levels of the brain chemical serotonin for up to two years. …

Male Offspring of Cocaine-Using Rats Less Likely to Be Attracted to the Drug

Chemical changes caused by cocaine may be passed on to the next generation, a new study of rats suggests. The changes cause male offspring to find the drug less rewarding. …

Medical Group Calls Addiction Brain Disorder, Not Behavior Problem

The American Society of Addiction Medicine has released a new definition of addiction, calling it a chronic brain disorder, not just a behavior problem. …