| http://www.w3.org/ns/prov#value | - In 2002, the British Lung Foundation reported that 3-4 marijuana cigarettes a day were just as damaging to the lungs as 20 tobacco cigarettes a day.??? Marijuana has long been considered a ???gateway drug,??? meaning the use of marijuana can lead to harder drugs, such as cocaine or heroin.(SOURCE: http://medicalmarijuana.procon.org/)
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