Can people with schizophrenia stop taking medication if they are feeling better?

Can anybody get schizophrenia at any age?

I've read that patients suffering from schizophrenia have high levels of dopamine. Are high dopamine levels the cause of schizophrenia or a consequence?

Is it possible to diagnose an 8-year-old child with schizophrenia? Can schizophrenia be detected in children? And if so, how might the treatment of a schizophrenic child differ from that of an adult?

What do you think of the use of natural products like St. John's Wort to treat moderate anxiety and depression?

My brother, who suffers from schizophrenia, has gained a lot of weight due to his meds. Any recommendations other than exercise and diet?  

For a person who suffers from schizophrenia but responds well to treatment, what are the implications in using cannabis and alcohol?

Are nutrition and exercise good complementary treatments for schizophrenia?  

As a mental health specialist, do you believe that more and more people are developing mental illnesses? If so, why do you think this is?

Is it beneficial or destructive for mentally ill patients to be surrounded by others with the same or other mental disorders?