A man shed a staggering 15st - more than half his bodyweight - by eating a carnivore diet consisting of just meat and eggs.<br /><br />Isaiah Caldwell, 28, tipped the scales at 31 stone at his heaviest.<br /><br />But after being told his weight might be causing fertility issues he decided to change his lifestyle - and now weighs 16 stone. <br /><br />Tech salesman Isaiah, from St Louis, Missouri, US, lost the weight by following the carnivore diet.
