[InS0mNiAc]

Ummm....ur burning the plant matter creating tar and carcinogens anyways with a zippo? It's no healthier to use a zippo then a regular butane lighter if your still burning plant matter.

And are you thinking of a torch lighter when I say butane?

The resins in MJ need to burn to release all the cannabinoids and cannabinols (CBD's and CBN's) which is what truly most medical patients benefit from. IF your real goal is to indulge the healthy way then you should be vaporizing, but then again, medically speaking, your probably not going to get the vital medicinal benefit.