Add Yahoo as a preferred source to see more of our stories on Google. Children who are angry and argumentative can be diagnosed with oppositional defiant disorder. Psychologists think it may ...

Instant, severe mood reactions might look like DMDD, but there's a good chance it's more related to shame and embarrassment ...

If your anger or defiant behavior is really getting in the way of relationships, career goals, and other aspects of your life, but you’re unable to curb your emotional impulses, you may have a problem ...

Every child might be oppositional from time to time, especially when they might be hungry, upset, tired, or stressed. They might throw tantrums, argue, disobey, talkback and defy any elderly person ...

Spending more time on screens increases the likelihood that 9- and 10-year-olds will develop symptoms of mental illness, according to a study by UC San Francisco that is one of the first long-term ...

A large cohort study published in 2013 in PubMed, based on the GINIplus and LISAplus German birth cohort studies, found that ...

Young adolescents, especially boys, who participated in organized sports between ages 6 and 10 are less likely to defy their parents, teachers and other authority figures, a new study by researchers ...