Easy activities such as washing the car or doing laundry, which have counted as exercise in earlier research, are not enough to stave off heart problems.
New research out of Sweden suggests adults with ADHD are more than twice as likely to develop a form of heart disease than those without the condition.
Scientists say obstructive sleep apnea, in which snoring is the main symptom, cuts off oxygen supply -- fueling tumors, blood clots and loss of brain cells.