Can humans evolve to digest toxic food like vultures?

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Toxic food is only toxic to those that it's toxic to. Humans eat many things that are toxic to other species. For example, chocolate. Chocolate is poisonous to most other mammals because it contains theobromine, which humans have the unusual ability to metabolize. We can also eat cooked onions, which are highly toxic to cats, and grapes, which are toxic to dogs. Humans, being omnivores, can actually safely metabolize a number of compounds that other animals can't.

We do eat "rotten" things. The key is, to only eat "rotten" things that won't kill us. Most cheeses, aged meat, and fermented foods and beverages fall into this category.

We tend to fall ill when the things we eat, rotten or not, contain toxin (toxic to humans) producing bacteria, molds, or fungus that is in an environment that fosters production of it's toxins, for example, salmonella, E. Coli, listeria, botulinum, etc.

Here is a list or "rotten" things that humans eat.

1. Cheese (below is blue cheese with the rind)


2. Surströmming


3. Kiviak (Inuit "aged" or "high" meat)


4. Natto (fermented soy beans)

5.

6. Alcoholic beverages.

Historical note: people on alcohol tasted all the other ones first.

We only eat the foods of survivors.