Muscle cells strengthen in response to intense exercise - whether you're 18 or 88. But the intensity is what's lacking in most people's workouts. And there are doctors who'll give you the advice, "Well, don't push it."
Jack LaLannePhysical fitness takes commitment to exercise just as it requires good nutrition. But it doesn't have to be painful. Just the opposite: Vigorous exercise actually is stimulating. It boosts your energy levels, invigorates your mind, and just feels good afterward. The hardest part, of course, is getting started.
Jack LaLanneI was going to be a singer. If I hadn't been in my profession, I was going to be an Opera singer. That's from a young kid. I had all these records from all those famous Opera singers. I wanted to be an Opera singer - that was my whole thing and physical fitness got in the way, thank God.
Jack LaLanneThere are so many health food nuts out there that eat nothing but natural foods but they don't exercise and they look terrible.
Jack LaLannePeople don't realize how much of this stuff you get by the end of the day. High blood pressure is from all this high-fat eating. Do you know how many calories are in butter and cheese and ice cream? Would you get your dog up in the morning for a cup of coffee and a donut? Probably millions of Americans got up this morning with a cup of coffee, a cigarette and a donut. No wonder they are sick and fouled up.
Jack LaLanne