Depending on the variety of marijuana, the person and the person's expectations, a wide variety of effects may occur. Certainly, some altering of perception. A deeper embedding in the matrix of the body. A clearer view as to the general emotional state. And either relaxation or energization, depending upon which is needed.
Careful studies indicate that marijuana is completely nonaddictive and noninjurious.
So if it helps your stomachache it's a placebo effect. The placebo effect 50 percent of the time with any substance will cure any problem. Since science would say there is no active ingredient, we would have to call that the placebo effect. If it works for you, do it and don't get caught. Sally Fallon was just here at the Wise Woman Center talking about good food.