Smoking alters brain 'like drugs'
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Smoking cigarettes causes the same changes to the brain as using drugs like cocaine, a study suggests.
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Smoking cannabis frequently during adolescence and young adulthood increases the risk of psychotic symptoms later in life, reveals a study published in the British Medical Journal online.
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TUESDAY, Nov. 28 (HealthDay News) -- A study of adolescents finds that violent video games stir up the brain's emotional-response center while reducing activity in regions linked to self-control.
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Heavy cannabis use may raise the risk of chronic lung disease more than smoking, two studies suggest.
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Given the wealth of evidence that smoking damages your health, you would have to be stupid not to kick the habit. Now a study suggests this could be a self-fulfilling prophecy, because smoking reduces your IQ.
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SMOKING can lower your IQ and increases the risk of dementia later in life, health experts warned yesterday. They say long-term smokers suffer significant damage to their memory and their ability to think quickly and solve problems.
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Good news for ageing hippies: smoking pot may stave off Alzheimer's disease.
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The latest research into the damage smoking could cause suggests the habit may affect your IQ.
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Alcohol, nicotine and cocaine are a few of the substances known to be addictive. Now some scientists wonder whether food should be added to the list.
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People who find it difficult to clear nicotine from their body may be more vulnerable to getting hooked on smoking.
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A study in Swedish twins confirms that smoking is associated with a reduced risk of Parkinson's disease.
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NEW YORK  - Chemotherapy causes transient changes in sensitive areas of the brain, which may partly account for some of the previously reported cognitive difficulties reported by patients and referred to as "chemobrain," Japanese investigators report in the journal Cancer.
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Researchers have identified brain receptors in mice that seem to control nicotine addiction.
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People who smoke are more likely to  develop Alzheimer&#39;s disease and other forms of dementia than  people who have quit or have never smoked, Dutch researchers  reported on Sunday.
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TUESDAY, Jan. 4 (HealthDayNews) -- Even small amounts of secondhand smoke can sabotage a child's performance on reading, math, reasoning and logic tests, a new study finds.
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Research suggests marijuana constricts the blood vessels, affecting supplies to the brain.
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About one-third of attention deficit cases among U.S. children may be linked with tobacco smoke before birth or to lead exposure afterward, according to provocative new research.