What is the treatment for ADD without hyperactivity? Is Ritalin necessary in this case?

Why is there a controversy in the medical community about the use of psychostimulants in the treatment of ADHD?  

Will interrupting the treatment have an adverse effect on the child's psychological well-being?

moi je voudrais dire que jai un fils bipolaire tout ce que je pouvais faire pour lui ses d'écouter a chaque fois quil en avais besoin ont pouvais parler des heures au téléphone sa na pas d'importance le temps mais a chanque quil m'apellais il avais toujour de la peine et il ne savais pas pourqu[...]

I'm Kate, 31 and relieved to be able to say that today I am in recovery from anorexia. Recovery to me has been a long, painful process involving therapy, hospitalisations and learning to change my anorexic thoughts and behaviour patterns, primarily through Cognitive Behavioural Therapy and Cognitive Analytical Therapy.

Therapeutic mental health professional services for adults : groups, art therapy, writing workshops, incest and sexual abuse, dance therapy, dramatic art, medication, relaxation, music therapy, individual consultations (maximum 20 sessions). Community resources. Languages: French and English.