Seasonal affective disorder (SAD) is a type of depression that comes and goes with the seasons.
Dr Norman Rosenthal is a South African author, psychiatrist and scientist who in the 1980s first described winter depression or seasonal affective disorder.
Cambridge-based light therapy specialist Lumie is launching its most premium wake-up light today.
- Clinical Psychology & Psychotherapy
Lumie Vitamin L (RRP £90) is a slim bright light for SAD and well-being that you can use anywhere.