If you talkin in general about the history of illness. i don't know. but if your talking about within a person, it can be as early as a baby/toddler/child. But most choose to ignore symptoms and don't see them as 'signs' due to age..which is annoying.
Mental illness predates recorded history.
Louis Pasteur(1822-1895) a French chemist first discovered what causes illness.
Sinusitis is not caused by mental illness. Mental illness can be caused by sinusitis infection.
not guilty by reason of mental illness
Rethink Mental Illness was created in 1972.
The Myth of Mental Illness was created in 1961.
"Anorexia nervosa" is an eating disorder which is a mental illness,yes.
mental illness has no correlation to sexual orientation. The gay community is affected by mental illness in the same way that the straight community is.
Johann Weyer
A psychiatrist is a doctor who specializes in psychiatry and is certified in treating mental illness.
National Alliance on Mental Illness was created in 1979.
Mental Illness Fellowship of Australia was created in 1995.