3 ms·

Or maybe it's because the human body is an incredibly complex mechanism and our analysis skills for determining the impact of making changes to that mechanism a

by rswail 7y ago

Or maybe it's because the human body is an incredibly complex mechanism and our analysis skills for determining the impact of making changes to that mechanism are yet to reach the levels we need.

WalterBright 7y ago
Or maybe it's the regulations. See "Regulation of Pharmaceutical Innovation" by Sam Peltzman.