THURSDAY, April 27, 2017 (HealthDay News) -- Mood swings and sudden changes in behavior can be a normal part of growing up, often starting in the tween years. But they can also signal substance abuse.
By Joan McCluskyHealthDay Reporter, St. Louis Post-Dispatch: Living
Thu, 04/27/2017 - 6:00am
THURSDAY, April 27, 2017 (HealthDay News) -- Mood swings and sudden changes in behavior can be a normal part of growing up, often starting in the tween years. But they can also signal substance abuse.