This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify, or wherever you get your podcasts. Stella, 4, is smart, funny and has a lot of energy. Her verbal ...

A parent came into my office recently seeking help for her 12-year-old son. “I don’t know why everything with him has to be such a fight. He argues with everything I ask him to do, no matter how small ...

Pathological demand avoidance (PDA) is an extreme resistance to everyday demands, such as getting dressed or brushing the teeth. Researchers often associate PDA with autism, especially in children.