A new study reports those with ADHD are at an increased risk of developing Parkinson's disease. The study reveals people with ADHD are twice as likely to develop early onset Parkinson's between the ages of 21-66. Additionally, those who are prescribed stimulant medications to help reduce ADHD symptoms, including Ritalin and Adderal, are at a 6-8 times increased risk of developing Parkinson's.
Researchers report, contrary to popular belief, Adderall and other ADHD drugs do not improve cognition in healthy college students. Instead, they may impair cognitive function.