The Internal Revenue Service issued the 2016 optional standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes. The business, medical, and moving expense rates differ from the 2015 rates (see above).
By John M. Grohol, Psy.D. ~ 1 min read. The defining characteristic of disruptive mood dysregulation disorder (DMDD) in children is a chronic, severe and persistent irritability.This irritability is often displayed by the child as a temper tantrum, or temper outburst, that occur frequently (3 or more times per week).y John M. Grohol, Psy.D. ~ 1 min read. The defining characteristic of disruptive mood dysregulation disorder (DMDD) in children is a chronic, severe and persistent irritability.
Mood Disorders. Mood disorders include major depressive disorder, dysthymic disorder, and bipolar disorder. 1  Approximately 20.9 million American adults, or about 9.5 percent of the U.S. population age 18 and older in a given year, have a mood disorder. 2  The median age of onset for mood disorders is 30 years.ood Disorders. Mood disorders include major depressive disorder, dysthymic disorder, and bipolar disorder. 1  Approximately 20.9 million American adults, or about 9.5 percent of the U.S. population age 18 and older in a given year, have a mood disorder. 2  The median age of onset for mood disorders is 30 years.