Abnormal results can occur in instances where amateurs, who know the fundamentals of hypnosis, entice friends to become their experimental subjects. Their lack of full understanding can lead to immediate consequences, which can linger for some time after the event. If, for example, the amateur plants the suggestion that the subject is being bitten by mosquitoes, the subject would naturally scratch where the bites were perceived. When awakened from the trance, if the amateur forgets to remove the suggestion, the subject will continue the behavior. Left unchecked, the behavior could land the subject in a physician's office in an attempt to stop the itching and scratching cycle. If the physician is astute enough to question the genesis of the behavior and hypnosis is used to remove the suggestion, the subject may experience long-term negative emotional distress and anger upon understanding exactly what happened. The lack of full understanding, complete training, and supervised experience on the part of the amateur places the subject at risk.
The concept of ADHD coaching was first introduced in 1994 by psychiatrists Edward M. Hallowell and John J. Ratey in their book Driven to Distraction. ADHD coaching is a specialized type of life coaching that uses specific techniques designed to assist individuals with attention-deficit hyperactivity disorder. The goal of ADHD coaching is to mitigate the effects of executive function deficit, which is a typical impairment for people with ADHD. Coaches work with clients to help them better manage time, organize, set goals and complete projects. In addition to helping clients understand the impact ADHD has had on their lives, coaches can help clients develop "work-around" strategies to deal with specific challenges, and determine and use individual strengths. Coaches also help clients get a better grasp of what reasonable expectations are for them as individuals, since people with ADHD "brain wiring" often seem to need external mirrors for accurate self-awareness about their potential despite their impairment.