Humans thrive in sunlight, meaning we’re more likely to have struggles related to behavior, mood and even circadian rhythm as the sun sets earlier, temperatures drop and plants wither. Up to 20 percent of adults can suffer from seasonal affective disorder, or SAD. SAD is a potentially serious condition that requires treatment, like light therapy, to help regulate melatonin production and relieve symptoms. Studies have shown that colors can have an impact on our mood and how w