I first read about the profound problems that people who don’t feel physical pain can experience in Philip Yancey’s book The Gift Of Pain.
This article on Today I Found Out reminded me of that as it unfolds that pain serves purpose.
From the post:
Congenital Insensitivity to Pain (CIP) is technically classified as a peripheral neuropathy- basically meaning you have damage to, or a disease affecting, your nerves. This rare condition leaves its sufferers without the ability to feel pain. It might seem like a blessing, going through life seemingly indifferent to all the damage our bodies take. The reality, however, is quite different. The side effects of this condition usually leave a person with life-long, crippling problems.
Read the rest here.