Iron Gut

Your stomach health isn't perfect but it's better than the average wastelander's. Reduce food and water loss from physical exertion by 5%.
Hold your breath for 84 seconds. Chance of Dysentery is reduced by 1%. Buffs from consumables last 10% longer.

You get away with eating a lot of things that would kill most people. Reduce food and water loss from physical exertion by 10%.
Hold your breath for 108 seconds. Chance of Dysentery is reduced by 2%. Buffs from consumables last 20% longer.

Even when you feel a little sick, you tend to get over it quickly. Reduce food and water loss from physical exertion by 15%.
Hold your breath for 132 seconds. Chance of Dysentery is reduced by 3%. Buffs from consumables last 30% longer.

You seem to be nearly immune to everything you eat. Reduce food and water loss from physical exertion by 20%.
Hold your breath for 156 seconds. Chance of Dysentery is reduced by 4%. Buffs from consumables last 40% longer.

You have an iron gut and could probably eat glass and survive. Reduce food and water loss from physical exertion by 25%.
Hold your breath for 180 seconds. Chance of Dysentery is reduced by 5%. Buffs from consumables last 50% longer.