Complex sentence: Whether or not pain and pleasure is indeed on a continuum, it still remains scientifically supported that parts of the neural pathways for the two perceptions overlap as well as scientific evidence that one may have opposing effects on the other.
Split into simpler sentences: Whether or not pain and pleasure is indeed on a continuum, it still remains scientifically supported that parts of the neural pathways for the two perceptions overlap. There is also scientific evidence that one may have opposing effects on the other.