Evening melatonin in January after changes in hours of habitual exercise during fall among youths living in the subarctic.

• Main Author: Weydahl, Andi
• Format: Article in Journal/Newspaper
• Language: English
• Published: Nordic Council for Arctic Medical Research 1994
• Subjects: VDP::Medisinske Fag: 700::Klinisk medisinske fag: 750::Endokrinologi: 774; VDP::Medical disciplines: 700::Clinical medical disciplines: 750::Endocrinology: 774; Midwinter; Arctic; Subarctic
• Online Access: https://hdl.handle.net/10037/12504

Secretion of the hormone melatonin shows a circadian rhythm and is inhibited by light. Light therapy with phase shifting of the melatonin rhythm has been used as treatment of sleeping problems and seasonal affective disorders (SAD). Exercise has also been shown to suppress the melatonin secretion. I...