For we know that the whole creation groaneth and travaileth in pain together until now.
Romans 8:22
"Hailed as “the greatest biologist since Darwin,” Ronald Fisher is credited as author of “biology’s central theorem” what is known as Fisher’s Fundamental Theorem of Natural Selection.
An informally stated corollary of Fisher’s theorem is that a population will continually increase in fitness.
However, for decades it has been noted that many populations are declining in fitness.
Geneticists such as Michael Lynch, Alexey Kondrashov, Bryan Sykes, and many others have been warning the human genome is crumbling and the damage is likely irreversible. Thus, Fisher’s Corollary could not be right because it did not agree with observable facts."
CEH