elatively more dangerous hard drugs like cocaine and heroin, rather than lead to their use. Thus, oftentimes strict marijuana laws themselves are the most significant factor involved in moving on to harder drugs like cocaine. Such is the case in Nevada and Arizona, the states toughest on marijuana use. the potential benefits Because smoked marijuana contains a variety of combustion compounds, it can damage the lungs and possibly the immune system. Several health committees recommended the development of an inhalation device that delivers pure THC -- the active ingredient in marijuana -- to the lungs. Such a device has not yet been created. There is some evidence -- but no scientifically valid studies -- that marijuana is useful in treating some forms of epilepsy and spasticity caused by multiple sclerosis. Some studies show that smoked marijuana is effective for some patients in relieving nausea caused by cancer and chemotherapy. There is evidence that marijuana may improve the appetite and help patients gain weight. This could be lifesaving for AIDS patients who develop wasting, a severe weight-loss condition. Smoking marijuana is effective in lowering pressure inside the eyeballs of some patients with glaucoma. A word of caution, however: the drug also drops blood pressure, and this could compromise blood flow to the optic nerve and damage vision *17_mens_health.html*. S...
