In some countries selling one’s organs is perfectly legal. In the United States, it is against the law, although many people have suggested that legalizing the trade would save lives and offer real social benefits. Others find it an ethically dubious proposition.
You can read my two-part essay on this question at my CFI blog HERE.
If we just made organ donation automatic and made people have to jump through hoops to NOT be donors, the opposite of what we do now in the states, we’d save many lives. It would be a start.