Marijuana has both short and long-term effects on the brain. When a person smokes marijuana, THC quickly passes from the lungs into the bloodstream. THC acts on specific brain cell receptors that ordinarily react to natural THC-like chemicals. These natural chemicals play a role in normal brain development and function. Marijuana can affect one’s feelings/mood, senses, body movement, and many other things.

Marijuana can also cause Problems with child development during and after pregnancy Marijuana use during pregnancy is linked to  increased risk of both brain and behavioral problems in babies and lower birth weight. If a pregnant woman uses marijuana it may affect certain developing parts of the fetus’s brain.