Individuals with ADHD may use substances such as cocaine and amphetamine, as well as coffee and cigarettes, to increase levels of dopamine in the brain and regulate attention and decision-making skills. These substances act on the neural circuits responsible for coordinating task-related and default mode networks in the brain.
A study conducted on 100 children with ADHD shows that controlling their diet can lead to reducing the use of ADHD drugs such as Ritalin and Adderall. Children were put on an elimination diet where certain foods were eliminated to test if it could help avoid medication or if it would make a difference with the way ADHD drugs affect them.
Most professional associations and health organizations don't recommend dietary interventions for kids with ADHD as a treatment. ADHD isn't caused or treated by dietary sources, although many people believe this to be true due to personal responsibility and societal anxiety about children.
Research has shown that limiting smartphone use to 60 minutes or less per day for adolescents and 2 hours or less for adults is a great way to maintain focus and attention. Unlike any other technology, smartphones decrease attention span and abilities to focus even when not in use. However, it's possible to use a combination of drugs, technology and other paradigms to increase focus and attention in both children and adults with ADHD.
Discussion on the use of Ritalin, Adderall, Modafinil, Armodafinil, or Vyvanse, and their effects on increasing dopaminergic transmission in the brain, also adrenaline and epinephrine.
The misuse of stimulants to enhance the functioning of the body is not a good thing to do. However, people with ADD tolerate stimulants very well without any side effects, unlike those without ADD who may take stimulants for better cognitive function which can be harmful.