Tough sport

You work hard and you train hard, just to get your name in the record books, and then you wait for someone else to come along and take your place.

Mostly, the cases concern a single nail, but one case was particularly extreme:

The other case involved a staggering 24 nails of 5cm length and represents the largest number of intra-cranial nails in a surviving patient.

This beats the previous record of 12 nails, held by a man reported in a case study from a neurosurgery team in Portland, Oregon.

From Mind Hacks