Adding vinegar to your cooking water makes your hard-boiled eggs easier to peel.
Vinegar doesn’t do much, but there are a few things that can help you peel hard-boiled eggs. The older an egg is, the easier it is to peel. For another easy trick, submerge eggs in cold water immediately after cooking.
Either you put down the wrong numbers, or you're on the wrong medication. Because the answers definitely don't prove they are true.