Do you ever feel down or depressed when the seasons change? You may have seasonal affective disorder (SAD). This condition causes times of depression during certain seasons. But the rest of the year, you may be in a good mood. This most often happens in the colder, darker months. This quiz can help you learn more about this problem and what you can do about it.
1. People with seasonal affective disorder (SAD) feel depressed only during the winter.
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People with SAD have depression during a certain season of the year. Most people with SAD are depressed during the fall and winter months. Less often, other people with SAD are depressed during the spring and summer. This form is sometimes called reverse SAD or summer SAD. The symptoms can range from mild to so severe that they interfere with daily living.
2. People assigned female at birth are more likely to develop SAD than others.
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SAD can affect anyone. But people assigned female at birth, and young adults seem more likely to get it. People with SAD also tend to have a family member with mental illness, such as depression or alcohol abuse. To be diagnosed with SAD, a person must have symptoms of depression that occur during certain seasons for at least 2 years.
3. SAD can be hard to diagnose because its symptoms are like those of other illnesses.
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The symptoms of SAD can be confused with symptoms of other illnesses. These include hypothyroidism and viral infections such as mononucleosis.
4. The hormone estrogen may play a role in SAD.
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Changing levels of the neurotransmitter serotonin may play a role in SAD. The sleep hormone melatonin may also play a role. Melatonin has been linked to depression. The body makes more melatonin in the dark. So the shorter, grayer days of winter boost levels of melatonin. Many people with SAD have low levels of vitamin D and use nutritional supplements. Vitamin D supplements have shown mixed results in treating SAD.
5. SAD is more common in northern parts of the world.
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SAD is more common in people who live farther from the equator. Overcast days also make a person with SAD feel worse.
6. One symptom of summer SAD is weight loss.
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Other symptoms of summer SAD include sleeping problems, anxiety, restlessness, and poor appetite. For those with winter SAD, symptoms include feeling "blue" during the fall and winter, a craving for sugary or starchy foods, irritability, trouble focusing, anxiety, weight gain, and oversleeping.
7. A good way to feel better when you have winter SAD is to get outdoors every day.
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Getting outdoors regularly will let you get more sunlight. This can help prevent SAD and improve your symptoms. You can also move your furniture and window drapes around during the fall and winter to let as much sunlight through windows as possible.
8. SAD treatment often starts with light therapy.
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Light therapy means using a full-spectrum fluorescent light from a special SAD lamp. You use the lamp for a certain amount of time, often for 20 to 45 minutes a day in the morning. Your healthcare providers will tell you the amount of time needed. They may also prescribe medicines or talk therapy (often cognitive behavioral therapy or CBT) along with the light therapy. Treatment is started in the fall, before symptoms begin. Treatment is slowly stopped in the spring.
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