I love swimming.  It's great exercise.
I do too!  Do you often swim for exercise?
Not as often as I would like.  I should because swimming s low impact compared to land activities.
I've heard that a lot myself as I've had lower back injury.
Sorry about the injury.  Swimming would be perfect for you since the human body is slightly less dense than water and the water supports the body while swimming.
thank you.  I agree.  I've heard walking is really good for it also.
That's what I do the most for exercise, but it has been so hot lately...I worry about heat stroke.
no kidding.  I feel like we are baking in an oven...and a few months ago I was complaining about the snow!
Heat stroke
Heat stroke, also known as sun stroke, is a type of severe heat illness that results in a body temperature greater than and confusion. Other symptoms include red, dry or damp skin, headache, and dizziness. Onset can be sudden or gradual. Complications may include seizures, rhabdomyolysis, or kidney failure.
Heat stroke occurs because of high external temperatures or physical exertion. Risk factors include heat waves, high humidity, certain drugs such as diuretics, beta blockers, or alcohol, heart disease,
failed, because the value of the nuclear weapon is frankly only as a deterrent," he said. "But if we had got to that point, where it was, I felt, necessary to do it, then I would have done it. I've had terrible doubts, of course, about this. I say to you, if I had lived after having pressed that button, I could never, ever have forgiven myself.
In October 1999, Callaghan told "The Oldie Magazine" that he would