Lose weight by drinking special Tea - that sounds easy... but is it good ? Dietetics professor Clare Collins, takes Dr Karl through seven Botanical tinctures that make this claim. Snake Oil or Science ?

http://theconversation.com/science-or-snake-oil-do-skinny-teas-boost-weight-loss-87353

https://www.newcastle.edu.au/online-learning/moocs/the-science-of-weight-loss