How The Seasons Affect Mood
By: Westin. G Jase .M Breannna.W Cole. T
What Is (SAD)?
Seasonal Affective Disorder (SAD) is a type of depression that occurs at a certain time of the year usually in the winter
How do you get (SAD)?
Anyone can get (SAD) but more common in..
- People who live far from the equator, where winter daylight hours are short.
- People between the age of 15 and 55.The risk of getting SAD for the first time goes down as your age.
- People who have a close relative with SAD
What Causes (SAD)?
Experts aren't sure what causes SAD, But they think it is caused by a lack of sunlight.
Lack of light may:
- Upset your "Biological Clock" , which controls your sleep-wake pattern and other circadian rhythms.
- Causes problems with serotonin, a brain chemical that affects mood.
One of the affects on humans for seasons are peoples moods
babies born in summer may form more mood swings than babies that were born in fall.
4-6% of people have winter depression, women get SAD 4x more than men. 10-20% people have mild SAD
1.4% of people in Florida get SAD and 9.9% get SAD in Alaska