<human>:  Should oysters be avoided by people with ADHD?
<bot>: No, oysters are salt-water bivalve molluscs that are not harmful to people with ADHD. Oysters are an excellent source of zinc. ADHD is a mental disorder of the neurodevelopmental type characterized by difficulty paying attention. Zinc supplementation has been reported to improve symptoms of ADHD and depression. So oysters are not harmful to people with ADHD, and they may even be beneficial.