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A 2004 study showed that redheads require, on average, about 20 percent more general anesthesia than people with dark hair or blond coloring. And in 2005, researchers found that redheads are more resistant to the effects of local anesthesia, such as the numbing drugs used by dentists.

I must be an aberration then. I'm a redhead and I get knocked out rather easily. A few weeks back I had a caudal epidural which requires anesthesia (believe me: you don't want to get one of those without it!) As this was my second one in the series, the anesthesiologist decided to use less anesthesia than the first because they had a hard time bringing me out from being under.

I suffer from chronic lower back pain due to an injury years ago and 4 lower back operations (one 8 months ago.) I refuse all narcotics, and the doctors all tell me I have a very high pain threshhold. I walked around with a broken spinal fusion at L5-S1 and a bone spur pressing against the root nerve in my lower back for several months before getting it fixed - and I never took a single pain killer before or after the surgery that corrected it.

I've even had teeth drilled and filled without novocaine. I hate the stuff. I'd rather go without then drool all over myself while it wears off.

The rest of y'all red heads must be real wimps I suppose. C'mon, we're supposed to be the master race for crying out loud!!

(/humor)