Fainting is a common but often misunderstood occurrence, and heat can bring it on. As summer approaches, here are some things to know about fainting, as well as some ways to prevent it.
There are a few explanations as to why some people faint when they get needles or feel pain.
Dave/Flickr
Most people find the sight of blood or a hypodermic needle enough to cause some discomfort, but why is it that some people faint when they’re faced with them?
