Are chili peppers beneficial or not?

‘There is no evidence that consuming too much capsaicin is unhealthy, or that it causes ulcers. On the other hand, the pleasure/pain reaction to chili peppers is said to have a psychologically beneficial effect, and nutritionally chili peppers contain vitamins A, B (such as thiamine, riboflavin and niacin) and C, as well as magnesium and iron.’ – ChilliWorld