Many of us are making plans for a happy, healthy, and fulfilling year and investing in the tools to make that happen. However, January’s shorter days, colder temperatures, and reduced time outside put many people at risk for seasonal affective disorder (SAD). Studies show that people who experience SAD have lower levels of the neurotransmitter serotonin – one of our happy hormones! Chronic depression, anxiety, obsessive-compulsive disorder, and social anxiety are also linked to lower levels of serotonin.

In addition to ...