Don't tell Rachel Zoe, but apparently the fashionably self-loathing once ingested tapeworms — sanitized and "jar packed", mind you! — as a means of getting scary skinny. Personally, we'd rather suffer a lifetime of anal leakage than host a herd of flat-bodied fish bait in our GI tracts, but hey! To each her own!
Vintage Weight Loss: Sanitized Tapeworms [Diet Blog]
Related: Cestoda (Tapeworm) [Wikipedia]
Marketing Of New Weight Loss Drug Stresses Diet, Exercise [CNN]