A chronic cough is one that lasts for 8 weeks in adults or 4 weeks in children. It may produce mucus or be dry and tickle the throat. Common causes of a persistent cough include asthma and bronchitis. Less commonly, it can indicate lung cancer or heart problems. Learn more about causes, symptoms, and treatments here.
Netherlands study identifies five insomnia subtypes that differ by personality traits, risk for depression, brain …