Substance use disorder (SUD) is a medical condition that affects the brain and behavior, making it difficult for a person to control their use of substances like alcohol, drugs, or medications even ...

My clients with schizoid personality disorder have experienced some combination of abuse, lack of attunement, neglect, and extreme intrusiveness in their early childhood. Many of them were also born ...

People with anxiety disorders have lower levels of choline in their brains, according to research from UC Davis Health.