Smoking can reduce your IQ!

Smoking can reduce your IQ!

Smoking has long been known to damage lungs and cause heart disease.
But it could also lower your IQ, research has found.
Young people who smoke regularly are likely to have markedly lower intelligence levels than those who do not smoke, and, the heavier the smoker, the lower the IQ.

Despite similar environmental conditions, non-smoking siblings achieved higher IQs than their smoking brothers.

Scientists cannot yet conclusively explain the link between impaired lung function and cognitive ageing but it has been suggested that smoking could put the brain under oxidative stress, which causes DNA damage.

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