Complementary Therapies

There are a range of complementary therapies that people use to improve both their mental and physical health and manage the symptoms of health problems. 
The British Holistic Medical Association has a view of health that acknowledges humans are part of nature. 
The Mental Health Charity Mind provides information on complementary therapies within the context of mental health -  Complementary therapies
As does the Royal College of Psychiatrists -Alternative Medicines 1 and Alternative Medicines 2

Relaxation Exercises

Hypnosis for Relaxation

Mindfulness Apps (free)