PROFESSOR LANCE WORKMAN is a visiting professor of psychology at the University of South Wales. He is an evolutionary psychologist with a specialist interest in seasonal affective disorder (SAD).
Compiled by Rosalind Ryan. Photograph Stocksy
Reverse – or summer – seasonal affective disorder is a tough condition for people to get their heads around. We understand winter seasonal affective disorder (SAD): the days are shorter and the weather is colder, so we look forward to summer.