Seasonal Affective Disorder

seasonal affective disorder

Research on Seasonal Affective Disorder began in 1979 by Herb Kern. He did this because he was curious about why he felt depressed in the winter months. The first use of the term Seasonal Affective Disorder was back in 1984 in a paper by Norman Rosenthal. The paper talked about the cause and how circadian rhythm can affect the role of melatonin. SAD was not recognized until 1993 when he published his book “Winter Blues”. Continue reading “Seasonal Affective Disorder”