Dr. Don and Professor Ben talk about the risks from eating 13 year old tapioca flour. Dr. Don - not risky ?? Professor Ben - not risky ?? haroldina on Twitter: “@bugcounter @benjaminchapman I’ve got a bag of tapioca flour that’s was opened back when I got it 13 years ago and stored in a ziplock bag in my pantry since then. There aren’t any bugs in it and it’s not clumped at all, so I expect it didn’t get any moisture in it 1/2” / Twitter Don Schaffner argues about math on twitter An unusual case of anaphylaxis. Mold in pancake mix - PubMed