That means that if you have those variations (which I do ― my test found that I’m very likely to have a gluten sensitivity), ...

So, after getting your full medical history, the doctor might suggest some tests. Tests for lactose intolerance Lactose tolerance test. You drink a liquid that contains a lot of lactose.

Lactose intolerance is a common condition that often has a genetic component that can be inherited. Other cases may result from injuries, medications, or chronic medical conditions. Lactose ...

While the best way to avoid lactose intolerance symptoms is to avoid milk products, studies are underway to use "prebiotics." ...

it’s pretty unlikely you’ll have an issue with gluten ― the test can’t definitively diagnose gluten intolerance, but it can help to rule it out. So far as lactose intolerance goes ...