http://www.reuters.com/article/healthNews/idUSL28860920080902?feedType=RSS&feedName=healthNews&sp=true

Reuters runs an article on sudden death by ventricular fibrillation, during and 24 hours after arrest. Like animals caught in the wild, some humans will die from massive overdose of adrenaline from being detained. Those most likely are males up to the age of 33.

Reason: Stress, caused by being detained.

http://www.timboucher.com/journal/2005/01/26/strange-syndromes/

Some gems include:

Old hag syndrome, and exploding head syndrome. Sleep paralysis is a documented affliction caused by dehydration, and heavy sleep.

There are more serious syndromes out there: suicide syndrome, and the one I mentioned at the top.