WATCH: The uplifting story of a man who lost 20 stone to stay alive
The uplifting story of 45-year-old Dave Lancaster, who is Slimming World's Man of the Year 2018 after losing 20 stone and suffering a range of serious medical conditions including type 2 diabetes.
At his heaviest, Mr. Lancaster was making preparations for death, with high blood pressure, joint pain, high cholesterol and sleep anoea.
He has been overweight his whole life, apart from a brief period aged 16 to 18. Dave has since walked more than 6,000 miles, further than the distance from San Francisco to New York, when previously he struggled to walk to the end of his road.