An analysis of marijuana also known as cannabis sativa being used illegally by many americans today

what is hemp

Smoking both tobacco and marijuana increases risks for abnormal tracheobronchial histopathology and COPD New York, Scribner. Clarke R. Association between cannabis use and psychosis-related outcomes using sibling pair analysis in a cohort of young adults.

For example, one study of 5, adult males that took place over 20 years noted that occasional and low cumulative cannabis use was not associated with adverse effects on pulmonary function Marijuana: A Short History. Prominent early sites of hemp cultivation included the Jamestown Colony and the Virginia farms of George Washington and Thomas Jefferson.

In the South, reports of illegal cultivation from this period are especially rare and often involved a small number of plants News-Record, ; The Times, ; Tennessean, b.

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Marijuana (cannabis): Facts, effects, and hazards