Deficiency has been linked to Seasonal Affective Disorder (SAD) , depression, and even a higher risk of suicide attempts. Dr. Holick’s 3-Step Strategy
Dr. Michael F. Holick, a leading expert on Vitamin D at Boston University, argues in his book La Vitamina De La Felicidad (The Vitamin D Solution) that this "sunshine vitamin"—which is actually a hormone—is the missing link to solving many modern health crises. The Science of "Happiness" La Vitamina De La Felicidad (co Michael F Ho...
Research suggests Vitamin D increases serotonin levels, directly impacting mood and a sense of well-being. Deficiency has been linked to Seasonal Affective Disorder