Our findings suggest that geographic location plays a limited role in the reasons for the large variability of ADHD/HD prevalence estimates worldwide. Instead, this variability seems to be explained primarily by the methodological characteristics of studies.| PubMed
Drugs include prescription and over-the-counter medicines, alcohol, tobacco, and illegal substances. Their repeated use or misuse can lead to addiction.| medlineplus.gov
Use of Dietary Supplements| ods.od.nih.gov
A mental health screening is a set of questions that helps find out if you or your child could have a mental health disorder that needs treatment. Learn more.| medlineplus.gov
More and more teens in the U.S. have depression. It is a serious medical illness that causes feelings of sadness, hopelessness, and frustration that do not go away. Learn about diagnosis and treatment| medlineplus.gov
NIMH researches attention-deficit/hyperactivity disorder (ADHD). Find resources on the signs and symptoms of ADHD and potential treatments and therapies.| National Institute of Mental Health (NIMH)