A few things worth reading:
Easing ADHD without medications: http://www.apa.org/monitor/2013/02/easing-adhd.aspx
Excercise:
Sports, Exercise, and ADHD - http://www.chadd.org/Understanding-ADHD/Parents-Caregivers-of-Children-with-ADHD/Behavior-and-Social-Skills/Sports-Exercise-and-ADHD.aspx
Emerging Support for a Role of Exercise in Attention-Deficit/Hyperactivity Disorder Intervention Planning - http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3724411/
Reduced Tic Symptomatology in Tourette Syndrome After an Acute Bout of Exercise: An Observational Study - http://www.ncbi.nlm.nih.gov/pubmed/24778432
Relaxation:
http://www.tourettesyndrome.net/disorders/anxiety-disorders/relax/
Magnesium supplements:
The effects of magnesium physiological supplementation on hyperactivity in children with attention deficit hyperactivity disorder (ADHD). Positive response to magnesium oral loading test - http://www.ncbi.nlm.nih.gov/pubmed/9368236
The central role of magnesium deficiency in Tourette's syndrome: causal relationships between magnesium deficiency, altered biochemical pathways and symptoms relating to Tourette's syndrome and several reported comorbid conditions - http://www.ncbi.nlm.nih.gov/pubmed/11863398
Hope some of this info helps.
