According to the latest report from the Mental Health Foundation- only 13% of its Uk survey noted that they had good mental health, 4 in 10 had experienced depression and 25% panic attacks. So it is a key issue for everyone.
Here are some free starting points for researching academic studies on causes, management, treatment and survival of a range of mental health issues.
For members of the public NHS choices has advice on health issues and suggestions on improving your mood.
NHS evidence has more detailed clinical information,evidence reviews on treatments and guidelines for health workers. Many items are offered in full text.
Social care online - offers free abstracts and referneces to articles and reports covering mental health from a social care perspective. Mainly UK based.
Pubmed has references to recent articles.
Cochrane library has examples of systematic reviews covering mental health
Published International Literature on Traumatic Stress (PILOTS) Database is an electronic index to the worldwide literature on PTSD and other mental health consequences of exposure to traumatic events.
World Health Organization (WHO) has reports and data on mental health issues worldwide. It includes a mental health atlas published in 2014 which has country provides on mental health, governance, services and resources in individual member countries.