Seasonal Affective Disorder (SAD) is a type of depression that manifests in the dark winter months. A lack of sunlight affects the production of melatonin, and serotonin and disturbs circadian rhythms which can lead to symptoms of SAD.
Associated Symptoms
- Low mood
- Irritability
- Lethargy
- Sleeping for longer periods of time
- Carbohydrate cravings
- Loss of interest in daily activities
Relevant Test 1
Neurotransmitters Extensive Code 4026
Relevant Test 2
Mauve Factor (formerly Kryptopyrroles) Code 4011