INTEL SOURCE LINK: NYtimes.com
A large new government study has found that smoking marijuana on a regular basis, even over several years, does not impair lung function.
Marijuana, the country’s most widely used illicit drug, has become increasingly popular and less stigmatized in recent years, particularly among young adults. One government report released in December found that one out of 15 high school students now smokes marijuana nearly every day, a growth fueled in part by the spread of medicinal marijuana, which is legal in 16 states. With its use rising, questions about the drug’s long-term medical consequences have garnered more attention.
The new research is one of the most extensive looks to date at whether long-term marijuana use causes pulmonary damage, and specifically whether its impact on the lungs is as harmful as smoking cigarettes. The researchers followed more than 5,000 people over two decades and found that regularly smoking marijuana — the equivalent of up to a joint a day over seven years — did not impair performance on a lung function test. The test, a measure of pulmonary obstruction that looks at the amount of air a person can force out in one second after taking a deep breath, is typically worsened by smoking tobacco.
The new research is one of the most extensive looks to date at whether long-term marijuana use causes pulmonary damage, and specifically whether its impact on the lungs is as harmful as smoking cigarettes. The researchers followed more than 5,000 people over two decades and found that regularly smoking marijuana — the equivalent of up to a joint a day over seven years — did not impair performance on a lung function test. The test, a measure of pulmonary obstruction that looks at the amount of air a person can force out in one second after taking a deep breath, is typically worsened by smoking tobacco.
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