Who are the biochemists which believe that?Jake, biochemists believe that it is possible that man lived that long. Due to our chemistry.
Have you written your own version of the bibile to make these claims?Keep in mind that when Noah started building that boat in his yard there was no water nearby to float it in. Rain did not exist. The earth was sort of like a terrarium. Harmful rays were filtered by a layer of water, or firmament. The same water that flooded the earth.
God shortened man's life span at that time of the flood. Gen. 6:3
God did it. Biochemistry affirms it.