Is medication the only answer to eating disorders?

Are nutrition and exercise good complementary treatments for schizophrenia?  

Why is a seriously ill person—with schizophrenia for example—not forced to take medication, but allowed to "opt out" of medication and live a disastrous life?

How can medication be stopped? Gradually? Are there withdrawal symptoms?

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

Is there a possible passive vaccine for Alzheimer's? (Antibodies directed against the protein found in the senile plaque)

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

Can taking medication (such as Ritalin or Concerta) lead to dependency? Is it true that the long-term effectiveness of Concerta has never been assessed?

Could someone who is depressed heal over time on their own?

My son's medication seems to make him depressed and numb. What is the long-term social impact of these symptoms?