Is it normal to have less appetite after a bout of anxiety?

So i've just got over probably the worst bout of anxiety i've experienced, 2 weeks of worry over a peculiar blood test, worried myself sick that i had an autoimmune disease or cancer (i'm sure many of you have been there). Well a couple days ago i got the call that i was fine, and obviously i feel much better, but i'm still finding it hard to eat more than one meal. I'm hungry when i wake but cant really eat after that. Of course, this has set my health anxiety running of course, weight loss and appetite loss are common with cancer.

In my head, i know its the anxiety, but the worry of not really feeling as hungry anymore has me going again, so will it take long for me to get the appetite and weight back?