Genetics

Exposure to cannabis alters the genetic profile of sperm

As legal access to marijuana continues expanding across the U.S., more scientists are studying the effects of its active ingredient, tetrahydrocannabinol (THC), in teens, adults and pregnant women.

Neuroscience

Brain zap saps destructive urges

A characteristic electrical-activity pattern in a key brain region predicts impulsive actions just before they occur. A brief electrical pulse at just the right time can prevent them, Stanford scientists have found.

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Behavior

Behavior or behaviour (see spelling differences) refers to the actions or reactions of an object or organism, usually in relation to the environment. Behavior can be conscious or subconscious, overt or covert, and voluntary or involuntary.

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