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The past decade or so has seen an explosion of research about nutrition, exercise and the human body. Some of this research has confirmed what we already knew—things like, a…

There are three components to working your abs to get that sculpted look—nutrition, aerobic exercise and abdominal training. Truth is, you won’t have a washboard stomach with a 6-inch layer…

It’s important to drink enough water when you’re exercising. Your body is about 65% water, and that water is important. It is found in your cells, between your cells, in…

Whenever someone talks about losing weight, we tend to think about diets. Cutting calories, counting carbs, South Beach, Mediterranean, Weight Watchers, the grapefruit diet and all the others. If and…

That’s a simple question, and you’d think the answer would be simple, too. But, alas, it is not. How much exercise you need each day depends on several factors: how…

Aerobic exercise is part of a healthy lifestyle, and so is good nutrition. Eating right has a lot to do with the success of your aerobic activities, whether you are…

Flexibility is an important aspect of overall fitness, and it gets more important as we get older. We improve flexibility by stretching, and the primary purpose of stretching is to…

An exercise program has three measures: frequency (how often you exercise), duration or time (how long you exercise) and intensity (how hard you exercise). It’s easy to measure frequency and…

Your muscles do work; they use energy to move your body. Resistance is a force that opposes work. When you do resistance training, you apply a force against your body’s…

Physical fitness is one of those hard-to-define concepts; we know it when we see it, but how, exactly, do you define it? Instead of a definition, let’s look at some…