THE BLOG 01/02/2013 01:51 pm ET Updated Mar 04, 2013 'I Started Doing the Colonoscopy-Prep Math (But Had to Go!)' VIDEO By Laura Zigman T-minus 48 hours until I start drinking 48 ounces of liquid laxative. Twice. And so "colonoscopy-prep math" begins... Download Follow Laura Zigman on Twitter: www.twitter.com/LauraZigman Laura Zigman Author, 'Animal Husbandry' MORE: Colon Cancer Colonoscopy Colon Colonoscopies Colonoscopy Prep This Blogger's Books and Other Items from... Piece of Work by Laura Zigman Animal Husbandry by Laura Zigman Subscribe to the Lifestyle email. Life hacks and juicy stories to get you through the week.