The primary effects of cannabis are caused by the chemical compounds in the
plant, including cannabinoids, such as tetrahydrocannabinol (THC), which is only
WebMD examines marijuana use, including the physical and psychological
effects as well as risks associated with the illegal drug commonly called.
SHORT-TERM EFFECTS. Short-term memory problems; Severe anxiety,
including fear that one is being watched or followed (paranoia); Very strange
Apr 19, 2016 ... Research shows that smoking weed can cause a variety of short and long-term
Marijuana also affects brain development. When marijuana users begin using as
teenagers, the drug may reduce thinking, memory, and learning functions and ...
Substantial evidence from animal research and a growing number of studies in
humans indicate that marijuana exposure during development can cause ...
Within a few minutes after inhaling marijuana smoke, a person's heart rate
speeds up, the breathing passages relax and become enlarged, and blood
vessels in ...
Research has shown that marijuana's negative effects on attention, memory, and
learning can last for days or weeks after the acute effects of the drug wear off, ...
Mar 31, 2014 ... Marijuana produces a range of psychological and physical effects that can be
unpredictable at times.
Some people believe smoking marijuana carries no risks. But scientific research
shows that there are risks, especially for teens. Marijuana affects a person's ...