Second, there were other sources of potency data in the 1970s, notably from a company called PharmChem, which did more testing than did Mississippi. This is consistent with Dutch data. Finally, consider that very few kids are going to get the best of anything. So there is one more variable. Marijuana use has been associated with cardiovascular, pulmonary and reproductive problems.
Chronic use can result in the same health problems associated with cigarette smoking.
Marijuana can affect cognitive skills and memory among young users and can impair the ability to learn. But That Is Not News. Keith Stroup, executive director for the National Organization for the Reform of Marijuana Laws, in Washington, D.C., said there are reports that contradict Rogers' findings about marijuana potency and addictiveness. You could say orange juice is addictive,'' Stroup said. The group's position is that marijuana use should be restricted to adults only.