> we can easily live on plants alone. This has only been true for about the past...

		Simon_says on Jan 11, 2022 \| parent \| context \| favorite \| on: U.S. surgeons transplant pig heart into human pati... > we can easily live on plants alone. This has only been true for about the past 50 years, when vitamin B12 was synthesized. There's no plant source for the vitamin. And I'm not even sure the vegans call a vegan diet "easy".