Libros

Marijuana
Marijuana is the most widely used illegal drug in the United States. It is a dry, shredded green/brown mix of flowers, stems, and leaves of the plant Cannabis sativa. A stronger form ofmarijuana called hashish (hash) looks like brown or black cakes or balls. The many street names for marijuana include pot, herb, weed, grass, Jane, reefer, dope, and ganja.
Marijuana is typicallysmoked in cigarettes (joints or spliffs), hollowed-out cigars (blunts), pipes (bowls), or water pipes (bongs). Some people mix it into food or brew it as a tea.
When smoked, THC passes from the lungs intothe bloodstream, which transports it to the brain and other organs. When it reaches the brain, THC connects with a certain type of receptor on nerve cells in areas that affect coordination, thought,memory, concentration, sensory and time perception, and pleasure. This causes the marijuana "high."
Marijuana is a green or gray mixture of dried, shredded flowers and leaves of the hemp plant(Cannabis sativa).
marijuana include problems with memory and learning, distorted perception (sights, sounds, time, touch), trouble with thinking and problem solving, loss of motor coordination, increasedheart rate, and anxiety. These effects are even greater when other drugs are mixed with weed. A user may also experience dry mouth and throat.

Marijuana smoke contains some of the samecancer-causing compounds as tobacco, sometimes in higher concentrations.  Studies show that someone who smokes five joints per week may be taking in as many cancer-causing chemicals as someone who smokes a fullpack of cigarettes every day.
Individuals of all ages use marijuana--data reported in the National Household Survey on Drug Abuse indicate that 37 percent of U.S. residents aged 12 and older usedmarijuana at least once in their lifetime. The survey also revealed that a significant percentage of teenagers and young adults use marijuana--20 percent of individuals aged 12 to 17 and 50 percent of...