Okay thank you, but i must point out that your first statement is not entirely true. Some objects, even the size of a small screw, can enter the lungs without someone knowing it. I saw a story about a man who swallowed a tack while working on a house and did not even know it until the tack moved deeper into his lungs and made a puncture wound. Ju... more

I have a habit of biting my nails. Although I don't do it often, I do consider it a habit. However, last night I accidentally inhaled a part of my fingernail that I bit off. It wasn't that large, definitely not large enough to block the airway obviously, but I do not think I swallowed it, and ever since last night I've been feeling irritation in my... more