#2198 - Bret Weinstein

5450.187 - 5478.617 Joe Rogan

Well, the aspiration issue, I believe, is a contributor, but I don't think it is the determinant. So in the case that, just to explain what you're getting at, when you inject somebody, pulling back on the plunger in the syringe allows you to see whether or not you have accidentally landed inside a vein. If you pull back and you see blood, the tip of the needle is at least partially in a vein.