Generally, “Mental health may be measured in terms of an individual's ability to think and communicate clearly, to learn and grow emotionally, to deal productively and realistically with change and stress, and to form and maintain fulfilling relationships with others” (Wexler) There is no entirely definite definition, but that is as close as it gets. Mental disorders and illnesses have been around as long as humans themselves. Back then, the names weren’t as specific and they were rather open ranged. We have found many more different types since. In fact, some of them I wouldn’t even call a sickness. The top 3 most common, but not limited to, are depression, bipolar disorder, and schizophrenia.
There are a few ways you can get a mental illness or disorder.
Heredity (genetics): Many mental illnesses run in families, suggesting they may be passed on from parents to children through genes. Genes contain instructions for the function of each cell in the body and are responsible for how we look, act, think, etc. However, just because your mother or father may have or had a mental illness doesn't mean you will have one. Hereditary just means that you are more likely to get the condition than if you didn't have an affected family member. Experts believe that many mental conditions are linked to problems in multiple genes -- not just one, as with many diseases -- which is why a person inherits a susceptibility to a