The Economist discusses this question:
But human kidneys are no ordinary commodity. Trading them is banned in most countries. So supply depends largely on the charity of individuals: some are willing to donate one of their healthy kidneys while they are still alive (at very little risk to their health); others agree to let their kidneys be used when they die. Unsurprisingly, with altruism the only incentive, not enough people offer.


















![Food allergies are treated differently, airline by airline [PODCAST]](https://kevinmd.com/wp-content/uploads/epinephrine-depends-on-the-airline-podcast-190x100.png)
