Which biomarkers to test and how to interpret your blood values.
12 articles
About 13.8% of the healthy population has a positive ANA. Learn what an ANA blood test measures, why the titre says more...
A positive rheumatoid factor is not a diagnosis, and a negative one does not rule rheumatoid arthritis out. Read the hon...
Anti-CCP is the most specific rheumatoid marker we have, at around 95 percent specificity. Yet it still misses about a t...
Rheumatoid arthritis runs in families, but hereditary is the wrong word. Twin studies put the heritability at roughly 60...
Stiff hands in the morning: rheumatoid arthritis or osteoarthritis? The duration of your morning stiffness often separat...
Recognising rheumatoid arthritis starts with the pattern, not a number. Learn which blood values matter, what the combin...
An online hay fever quiz ends at "probably hay fever". Learn what a hay fever blood test really measures, why antihistam...
If your eosinophils are high, the cause is usually mundane: allergy, asthma, a medication. Learn where mildly raised end...
A raised IgE level does not tell you what you are allergic to. Learn the difference between total and specific IgE, why...
An IgG panel testing a hundred foods flags exactly what you eat most. Read what an IgE-based food allergy test actually...
No blood test confirms histamine intolerance, not even the DAO value. Read what the guidelines actually say, and which b...
Red wine, aged cheese, and twenty minutes later a flushed face and a pounding head. Learn what histamine intolerance is,...