seasonal affective disorder

Noun

 * 1)  A form of depression associated with the lack of natural light during the winter months.

Translations

 * Chinese:
 * Mandarin: 季節性情緒失調
 * Estonian:
 * Finnish:
 * French: ,
 * Icelandic: skammdegisþunglyndi
 * Portuguese:
 * Spanish: trastorno afectivo estacional
 * Swedish: årstidsbunden depression