I was obese most of my life and when I was in my 20s, I was running circles around most skinnier people and even lording it over them, bragging that I could eat as much as I wanted and still be in better shape then them.
Then when I hit my mid-30s, it all started to fall apart. I found myself huffing and puffing just walking up the stairs and I'd break a sweat just walking around the block. Fortunately I got my act together and brought my weight back to normal through rigorous and relentless diet and exercise.
When I see all these massive 300-lb linebackers in the NFL, I see a major obesity problem. I don't care how fast they can do the 40-yard dash. These boys are going to have big problems in a few more years.
That's crap. 6-2 240 isn't obese, especially for a pro athlete. BMI is a joke. I'm 35, 5-10 220. I've never been fat. I always score at least a 290 on the Army Physical Fitness Test (out of 300). It's all about exercising. Don't stop doing it, ever.
Of course, the only problem with this is that I stopped the training regimine, put on 30-35 pounds, and this was a factor in my heart attack. (Not the only factor, by far.) But I'm just saying that depending on the body, 6'2" @ 240 may not be a bad place. Just be careful where you go from there!
(And with that, I'm off to go running, to dump off more weight....)