Ever been told ‘you don’t look sick’ or ‘everything appears normal’ in your test results, but you just don’t feel well? Chances are, you have an invisible illness. And you’ve likely had to deal with months or years of the frustration of friends, family and your medical practitioner questioning and doubting your symptoms. In this article learn what conditions fit into the banner of invisible illness, what blood tests can reveal a hidden illness and I share my handy scoresheets to help you get a sense of the severity of your own condition.