Did you know that some people secrete their blood type in their saliva, intestinal mucosa, and semen? Why is this a big deal? Well, in your intestinal mucosa, being a non-secretor means that you are likely to have an altered gut microbiome. However, being a non-secretor also gives you superpowers against certain viruses… You can dive deep into the research and see your secretor status from your 23andMe, AncestryDNA, etc data here: