Other than insight, guessing, assuming, the questions are best answered by his doctors. There can be many reasons for LT, cancer treatment being one, having high BP, being pre-diabetic, overweight may not help. I'm diabetic about 14 years, and take insulin everyday.

As far as testosterone, steroids, I always thought they can increase tumor size, accelerate its growth, but one of my doctors says there is no link, and in fact, doubt it's involvement with prostrate cancer even, but may cause harm with the organs, and needs to be properly cycled, tapered and monitored. They can increase bp too, and known many "Juicer's" in my time, and have not seen anything positive in the long run with them using unless competing in the Olympics. If already depressed, these can be even more hazardous to one's mental health making them more depressed, aggressive, and even dangerous. Besides, what goes up, eventually comes down lol. High bp and Viagra do not mix either.

I would see about natural cures for weight loss, exercise, diet, nutrition, LT, sunshine, glucose control, and ED before doing any medication, unless really needed, and prescribed by a doctor, but you can always find a doctor that will prescribe anything.

There are several members very knowledgable with nutrition, supplements, and exercise like Uptown, EricS, even DonFoo is putting his gi back on, and maybe they can add.