I know that I've read that some particles, yeast, etc floating in the beer isn't a problem, and I've had some in some of my home brews but nothing excessive. However, tonight I opened a can from a local brewery and poured into a glass and have never seen so much debris in a beer. It was an IPA and I could barely see through it due to everything floating in it. Is there a point where it's not safe to drink with too much in the beer?