The study of more than 186,000 Canadians found that those who suffered a concussion were more likely to develop any of several conditions, including: attention-deficit/hyperactivity disorder (ADHD); depression or anxiety; Parkinson’s disease; or dementia.
Health Advisories

Health Canada has seized several injectable drugs and medical devices, including products labelled to contain botulinum toxin type A or hyaluronic acid from Vivian Spa, located at 11-3415 Dixie Road, Mississauga, Ontario, because they are unauthorized and may pose serious health risks. These products may have been administered as treatments for cosmetic purposes. 
