In women, ghrelin levels increase in both anorexia nervosa and exericise amenorrhea. (paleoforwomen.com)
This group also had higher initial levels of ghrelin in the evening and lower initial ghrelin levels in the morning, when compared with those without binge eating disorder. (sciencedaily.com)
To be more sure of these results, the study also compared the effects of carbonated drinks in 20 young men, which resulted in finding that they, too, had higher ghrelin levels after drinking the carbonated drinks versus drinking flat soda or still water. (mindbodygreen.com)