"When I teach medical students, they're more interested in the rare people who are born with birth defects, They want to understand embryology so they understand how things go awry, but I'm more interested in the fact that for everyone sitting in my classroom—all 200 of those medical students and dental students—it went right! And every one of them has a heart on the left side and every one of them has two kidneys, and how the heck do you do that?" Clifford Tabin, PhysOrg 9/24/13
Why most people are born healthy...
I will praise thee; for I am fearfully and wonderfully made:
Psalm 139:14
--YET--
Why some have defects due to sin entering the world....
For we know that the whole creation groaneth and travaileth in pain together until now.
Romans 8:22