Some minor affects containing ephedrine is tremors, palpitations, headache, restlessness, anxiety, and insomnia.
During a lecture on eating disorders, the lecturer tells the audience, "let's be candid, anorexia is a misnomer." most of the people around you are puzzled until the expert explains. what does she say?
The term anorexia means "loss of appetite" but people with this disorder are actually hungry.
Heartburn is actually a symptom of GERD
So I would say that some of our common foods that we eat stimulate increased stomach acid secretion which is setting the stage for heartburn.
Hope this helped some~
Um...because someone put to much caffeine XD or a human does not need a lot of caffeine and coffee has more than needed