If when the seasons change from the summer to the fall, symptoms of some depressive illnesses worsen, then when the seasons change from the summer to the fall, symptoms of what will sometimes worsen?

Answer choices:
- vitamin D excess
 - hypothyroidism
 - Dehydration
 - direct damage to the lungs
 - Thanksgiving
 - green
 - Abnormal cell growth
 - depressive illnesses

 

        depressive illnesses  