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marijuana IQ

Marijuana linked to IQ loss: Findings from a study that tracked people’s habits from childhood to middle age revealed that early use of marijuana results in loss of IQ. Results from the study reveal that the teenage brain is especially vulnerable to the use of this drug and show significant IQ decline. More on the study.

The latest news in Health & Fitness

The latest in health news, medicine, fitness and nutrition.

From food to fitness, new developments in health research and age-old tips, here's a quick round-up of this week's health news from around the world.