Keith Martin (1969 or 1970 December 5, 2014), one of the world heaviest lived people, was famous for being at one point the UK's heaviest man, weighing approximately 980 lbs at his peak. Keith Martin was given a gastric bypass operation by the NHS, and had lost over 50% of his body weight.

Based on that paragraph can we conclude that this sentence is true?
Keith Martin died more than 5475 days ago.
No