Board Thread:Speculation House/@comment-73.140.18.107-20160909055159/@comment-27082610-20160914012430

Phantomlink959 wrote: I assums it would prevent cancer, but not cure it outright. Cancer is caused by genetically damaged cells, aura includes a low-grade healing factor which could well prevent or offset cancer by fixing the damaged DNA. Our cells need oxygen to.function, so my cutting off the air supply you can cause indirect damage, but aura would likely make crushing a person's windpipe more difficult.

As for poisons; poisons are complicated. There's too many variations in delivery, primary action, toxicity, treatment, etc to make any kind of blanket statement.

Qrow can apparently get drunk, so it may simply be an issue of dosage.