You'd need bad tolerance or medical concern if this were to be possible, but it is possible.
Heart conditions, poor stomach/liver health, asthma ect all contribute. After you eat really hot foods and peppers, much of this becomes not applicable because you are far more educated, you can't hyperventilate in fear of how hot something is, like the first time you ever have a habanero. You learn to calm down, breath easier...
However if you have poor stomach/liver health, and it's not sealed up on the inside of your stomach. high doses of capsaicin will result in cancer - again, if you are in pretty good health then after you start you have no fear for trinidad hot foods and your life.
Lot of variables, health is the primary thing. If you can't tolerate anything for crap, you have a bad stomach, asthma maybe and certainly blood pressure issues then it can potentially kill you, this is simply a bad set of circumstances and ideally should never happen, people that can't handle hot foods frequently never go near hot foods.