Positive affect changes are a noted possible side effect. The mechanism is unknown. Some scientists believe it's the direct action of the drug on the brain, but others believe it has something to do with altering the natural intestinal flora and a vague "gut-brain connection". It's an area of research waiting to be tackled.
I wasn't going to complain about feeling better than normal, only a little disappointed after the scrip ran out.
I wasn't going to complain about feeling better than normal, only a little disappointed after the scrip ran out.