What needs to be changed in the structure of the human stomach so that a person is almost completely immune to poisons and toxins ( especially interesting regarding the poison of puffer fish, Gray Grebes, etc.), but not to lose nutrients from food?
In other words, what needs to be changed in the structure of the stomach to completely disinfect food ( poisons, etc.) without losing nutrients?
( below is a video that clearly shows the poisons and their dosages deadly for ordinary people, it is the problem of interaction with them that needs to be solved )
Toxicity Comparison (This little will KILL you) https://youtu.be/flv0ql218-A
It would also be interesting to know what needs to be changed/ added to the stomach (digestive system ) to increase the efficiency of food use ( that is, so that we get more energy from food).