Sugar intake gets blamed for a lot of health issues — but when it comes to yeast infections, it’s almost definitely not the culprit. Debunking myths (and strongly suggesting we skip heavily-marketed detox cleanses), Dr. Jen Gunter explains why having some yeast in the body is normal, how to know when it’s a problem — and what to (safely) do about it. For more on how your body works, tune into her podcast, Body Stuff with Dr. Jen Gunter, from the TED Audio Collective.