Advertisement

How does seasonal affective disorder affect the body?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

Seasonal affective disorder (SAD) can affect the body in a variety of ways. SAD is most likely caused by an increase in melatonin - or decrease in serotonin - during winter months when sunlight is scarce. These chemical imbalances lead to lethargic feelings, weight gain (or sometimes weight loss if symptoms occur during the summer), changes in appetite and may even make it more difficult to concentrate.

Continue Learning about Seasonal Affective Disorder

Coping with Seasonal Affective Disorder: 4 Treatments That Help
Coping with Seasonal Affective Disorder: 4 Treatments That Help
While the cooler temperatures and shorter days of fall and winter mean relief from summer heat and sun, they can, for some people, bring changes in mo...
Read More
Does seasonal affective disorder run in families?
Dr. Jeanne Morrison, PhDDr. Jeanne Morrison, PhD
Seasonal affective disorder (SAD), like other forms of depression, does run in families. If your par...
More Answers
Does seasonal affective disorder affect children differently than adults?
Diana MeeksDiana Meeks
Seasonal affective disorder (SAD) is more prevalent in adults than it is in children, but symptoms c...
More Answers
Is Vitamin D Associated with Seasonal Affective Disorder?
Is Vitamin D Associated with Seasonal Affective Disorder?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.