The book distinguishes SAD from classic depression, chronic fatigue, and other illnesses with similar symptoms. It also explains the alarming physical effects of lack of sunlight, which include a greater risk of heart disease, osteoporosis, and even cancer.
- SAD is depression caused by lack of natural light.
- people with limited exposure to light, and who live in northern climates are most likely to suffer from seasonal affective disorder
- although many people undergo seasonal variations in mood, energy, appetite and sleep those with SAD, sufferers experience an exaggerated version of these changes.
- Full-blown SAD can be extremely debilitating as the sufferer finds it difficult to carry out normal activities.
The book describes helpful changes to eating patterns and vitamin and mineral supplements, ways of adapting your lifestyle to take advantage of the daylight, as well as lightbox therapies.
Written in an informal style, with helpful tips and advice, this book is important for anyone who ever questioned their feelings on a cloudy day or during the winter months.