As discussed above, darker skin produces Gaias Protocol Rewiew a higher quality of melanin (the particle that lends skin its colour). Melanin in high qualities prevents sun burn and can protect against skin cancer however it can make the absorption of vitamin D difficult. Darker skin tones require 10 times as much sun to receive the same vitamin D benefits. Those in hotter climes tend to still get their required amount of vitamin D. You only really need to be concerned if you are darker skinned and live in cooler climates where sun exposure is minimal.
It's no surprise that when we are outside in the sun we feel better; vitamin D boosts our levels of serotonin. Even artificial bright light will boost serotonin secretion; that is the power of light on mood. If you spend a lot of time indoors or away from the sun, you may be lacking vitamin D and it will be hitting your moods hard.
