Tags: marijuana | boys | growth | height | puberty

Boys Who Smoke Pot Are 4 Inches Shorter: Study

By    |   Tuesday, 19 May 2015 12:09 PM


Boys who smoke marijuana go through puberty earlier than those who have never smoked the drug, but they grow more slowly. Pakistani researchers found that non-smokers were 4.6 inches taller by the age of 20 than marijuana addicts.

Researchers at the Pir Mehr Ali Shah Agriculture University Rawalpindi studied hormone levels in 220 non-smoking and 217 marijuana-addicted boys. They found increased levels of hormones involved in puberty, such as testosterone, in the boys who smoked, but decreased levels of growth hormone levels.

By the age of 20, boys who didn't smoke were 4.6 inches taller and about nine pounds heavier than the boys who smoked.

Many marijuana smokers claim the drug calms them, but the study results cast doubt on this long-held belief. The researchers studied the blood of some of the addicts and found significantly higher levels of cortisol, the stress hormone.

Head researcher Dr. Syed Shakeel Raza Rizvi theorizes that marijuana may trigger a stress response that speeds the onset of puberty but suppresses growth rate.

Marijuana is the most commonly used illegal drug in the United States. According to the National Institute on Drug Abuse, almost 20 million Americans use the drug. In 2014, 11.7 percent of 8th-graders reported using the drug in the past year, and 35.1 percent of 12th-graders had used it during the year before the survey.

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Boys who smoke marijuana go through puberty earlier than those who have never smoked the drug, but they grow more slowly. Pakistani researchers found that non-smokers were 4.6 inches taller by the age of 20 than marijuana addicts. Researchers at the Pir Mehr Ali Shah...
marijuana, boys, growth, height, puberty
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2015-09-19
Tuesday, 19 May 2015 12:09 PM
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