Variations in authors opinion were resolved through discussion and consensus
According to an article from Medical-News.net, "University of Queensland researchers have confirmed a link between depression and stomach ulcers, in the world's largest study of genetic factors in peptic ulcer disease." Also, high stress, anxiety disorders, PTSD, etc, are common causes for a compromised immune system and a prevalence of stomach acid
To vets
Nicotine & Tobacco Research 5(5):673679
However, apart from a Hungarian report, there is no record of its proven efficacy as a cessation aid
If 10 people took nicotine, maybe one or two might find an improvement in their physical performance, whether thats going to the gym or running a race, Mndel says