Mental illness: cannot be treated can be treated?

Treatment can involve both medications and psychotherapy, depending on the disease and its severity. At this time, most mental illnesses cannot be cured, but they can usually be treated effectively to minimize the symptoms and allow the individual to function in work, school, or social environments.

It depends what type of mental illness but about 95% of the time it can’t be cured but it can be treated

Keeps you from getting lung cancer from smoking

Awould be the answer