Cocoa is very rich in antioxidants -- flavonoids and flavonols in particular. Our skin suffers ultraviolet damage from exposure to the elements, leading to photo aging, and antioxidants can potentially mitigate those effects.
Getting the amount of flavonols that were useful in the study group from chocolate would involve eating so much chocolate that whatever protection you'd gain from these beneficial molecules, you'd lose from the harms associated with sugar and calorie overload.
My advice for a healthy life is to get out and be active. Think of it as investing in what I call a "health pension" -- investment in your health now for the years ahead. It could be the best thing you can do for your future.
For humans, astaxanthin is a powerful antioxidant with broad health implications, and unlike other antioxidants, such as beta carotene, zeaxanthin, vitamin E, C, D and selenium, astaxanthin never becomes pro-oxidant in the body.
While too much is definitely too much, a surprising number of new studies suggest that moderate alcohol consumption can actually benefit our health and help us live longer than drinking no alcohol at all.
A study in the Journal Nature Genetics showed some people are genetically predisposed to age more rapidly than others. Age-associated diseases are more related to biological rather than chronological age.