Respiratory Conditions

Respiratory conditions impact the lungs and the ability to breath. In this section, find out about the symptoms and treatment of apnea, orthopnea and more.

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Paroxysmal Nocturnal Dyspnea

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?

Orthopnea Overview

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

How Hiccups Work

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

SARS: What Is It? What's Causing It? What Should You Do?

Colds and flus are common, tiresome and down right annoying. Learn more about these typical illness that everyone is sure to experience at least once a year if not many.