The 47 people who took part in the study exercised on a treadmill (walking) at a level of intensity that was adjusted according to their level of fitness. (ahealthblog.com)
25 non overweight individuals, 12 who didn't like spicy food and 13 who did, took part in the study of 6 weeks. (ahealthblog.com)
Another 26 did not take part in the study at age 38. (sciencedaily.com)