Why was aluminium thought to be a factor in Alzheimer's Disease?

At what age can parents begin suspecting ADHD in a child? At what age can a child begin medication?

Do you think that all children with ADHD need to be medicated?

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

Are mental illnesses less frequent in "primitive societies"? What about suicide and anorexia, in particular?

What are early signs of Alzheimer's disease?

Can Anorexia be partially caused by genetic factors?

Is being extremely thin a sure sign that someone has an eating disorder?

Is there a link between mad cow disease and Alzheimer's?

Somebody I know has been diagnosed as bipolar II. Could it be a misdiagnosis?