- SAD Definition Meaning - Merriam-Webster
The meaning of SAD is affected with or expressive of grief or unhappiness : downcast How to use sad in a sentence
- Seasonal affective disorder (SAD) - Mayo Clinic
Seasonal affective disorder (SAD) is a type of depression that's related to changes in seasons — SAD begins and ends at about the same times every year If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody
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