I had a neighbor who weighed 350 or more. The irony is that he was a chiropractor who also promoted himself as a "nutrition consultant." I often wondered how patients could possibly have confidence in his advice. The paramedics arrived one day and found him dead. It was probably heart failure, but I never knew for sure. A multitude of things can go wrong when you are that obese. He was a relatively young man, perhaps in his late 40s or early 50s.
I thought about him when a man wrote me yesterday and asked for some advice. He is in his late 50s and weighs 345 lbs. As you would expect, he is suffering from some physical problems, and his doctor has placed him on a weight loss and exercise program. The man sounds like he is taking the advice seriously and I hope that he is. I suggested that he work with a trainer and follow closely his doctor’s instructions. Weighing that much, it is probably best for him to begin by walking short distances and then gradually add time and distance to his walks. That's what I would have him doing. Some weight training would be added later.
No matter how overweight or out of condition you might be today, with the right attitude, instruction and persistence, you can become fit. Beginners would do well by following my program explained in Gray Iron: A Fitness Guide for Senior Men and Women.