Seasonal Affective Disorder (SAD) — By the Numbers (U.S.)

Seasonal shifts in light and weather don’t just affect comfort — they can affect mental health. Seasonal Affective Disorder (SAD) is a type of depression linked to changes in seasons, most commonly occurring in the fall and winter months.

According to Mental Health America:

 

• Many people experience changes in mood and energy with seasonal change, but for some these changes are severe enough to meet the criteria for SAD. Seasonal variations in mood and behavior are real and can substantially impact daily functioning.
• While not everyone who experiences seasonal mood changes meets the clinical criteria for SAD, a significant number of individuals report symptoms such as low energy, social withdrawal, and difficulty concentrating during certain times of the year.
• Reduced exposure to sunlight and shorter daylight hours are thought to contribute to these mood changes by affecting the body’s circadian rhythm and neurotransmitter balance.
• Seasonal Affective Disorder is a recognized form of depression with distinct patterns, most often emerging as daylight decreases each fall and winter. For individuals affected by SAD, the emotional and functional impact can be significant, affecting work, relationships, motivation, and overall wellbeing.

 

By recognizing and naming these experiences, individuals and communities can better understand when seasonal mood changes shift into clinical depression — and when supportive intervention can make a meaningful difference.

 

Source

Mental Health America — Seasonal Affective Disorder (SAD)
https://mhanational.org/conditions/seasonal-affective-disorder-sad/

 

If seasonal changes are making daily life more difficult, or if you are experiencing persistent hopelessness or significant mood shifts, consider reaching out for support. You can call or text 988 for the Suicide & Crisis Lifeline, or connect with a mental health professional in your area.

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