Science says you can indeed buy happiness-for as little as $30

A childhood desire to be happy was met with guidance that happiness cannot be controlled like a career. Scientific findings including the World Happiness Report and clinical studies indicate daily happiness can be increased through planned spending and time use. Seasonal Affective Disorder is linked to shortened winter daylight and reduced sunlight access, which affect brain chemistry, trigger depressive symptoms, and increase melatonin production. Light therapy lamps are used to reduce SAD depressive symptoms, with recommendations to sit near a 2,500- to 10,000-lux lamp for at least 30 minutes each morning to improve symptoms and enhance anti-depressant effectiveness.

Read at Fast Company