Swallowing sugar, pulling your tongue, biting a lemon, holding your breath -- these are all homegrown hiccup cures. What makes hiccups so hard to stop? See more »

When your sinuses are working properly, you probably never even think about them. But when they become inflamed and infected, you could be at risk for developing sinusitis. See more »

Lots of people love delicious, buttery microwave popcorn. But reports of sick popcorn factory workers and an enthusiastic popcorn lover developing a serious lung condition have people worried. See more »

People with orthopnea -- a telltale sign of heart failure -- have trouble breathing when they're lying down. What causes orthopnea? See more »

You wake up suddenly, gasping for air, coughing and wheezing. It could be paroxysmal nocturnal dyspnea. What causes it, and how can you treat it? See more »

Chronic sinus congestion can be caused by allergens or by a structural problem in the face which leads to a build up of secretions in the nasal sinuses. This condition causes much discomfort and may affect your ability to perform your daily activities. But there are ways to manage and even cure chronic sinus congestion. To see how much you know about chronic sinus congestion, have a go at this quiz. See more »

Hiccups can very quickly become annoying. There are as many different cures for hiccups as there are causes. Would you like to learn more about how the hiccups work and how to get rid of them? Have a go at this quiz and see how much you know about the hiccups. See more »

Orthopnea and related conditions, such as paroxysmal nocturnal dyspnea, are conditions causing breathlessness while you sleep. They are indications of serious problems occurring in your body and should not be ignored. See more »

Those of us who are healthy often take the ability to breathe for granted. But there are many things that can go wrong with this essential system of the body, causing every breath to become a struggle. See more »

Chest X-rays are important for monitoring lung function in cystic fibrosis patients. Learn more about chest X-rays for cystic fibrosis from this article. See more »