Degrees.

The reason why abortion and suicide are considered fair game for regulation by some people is that it has potentially drastic impacts on the future of everyone around you and theoretically society as a whole.

There is a nanny state to some degree in all societies, and if we are obligated to put cancer warnings on cigarettes I think preventing incentives loops that lead to medically encouraged suicide is also fair game.

No, your position is extreme individualism. Most societies have taboos on suicide. Attempted suicide was illegal in most of Europe and in America, and is still illegal in many countries ranging from India to Singapore. Assisted suicide remains illegal except in a handful of pathologically individualistic western countries.