Olivia Smith has recalled the frightening moment her lung suddenly collapsed, which happened the day after he 21st birthday, and has been riddled with problems ever since ...

Harper Ryals led a normal, healthy life until she turned two. All of a sudden, the toddler hit a big growth spurt, and she began having a hard time breathing, and developed a persistent blue tint ...

Today, Australian researchers reveal how multiple chemicals found in cigarette smoke and e-cigarettes alter the function of a key type of immune cell found in the lungs. Cigarette smoking is known ...