3. Three Meals a Day

Skipping meals is easy, especially if you're busy and if you aren't in the habit of eating regularly. The problem is, when you do finally eat, you'll be too hungry, and you'll be tempted to eat too much of the quickest thing available, which may not be the healthiest choice. Even if it's only a quick piece of fruit or two, eat at least three meals every day. If you're trying to lose weight, have healthy low-calorie snacks between meals too.

4. Water, Water Everywhere

Coffee, tea, sodas, energy drinks or alcoholic beverages are all easy and interesting, but they're not what our bodies really need -- plain, fresh water. While other drinks may be more satisfying, they also contain substances that must be filtered by our kidneys and can have a negative impact on our digestive systems. And, research shows that drinking slightly more water than we think we need not only improves our heath, but increases stamina as well.

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5. A Little Bit of What You Fancy

Too many of us think that a healthy diet means giving up all the things we love best -- chocolate, pizza, red meat, ice cream, alcohol. What a healthy diet really means is eating good food most of the time and treating ourselves occasionally to something special. Investing in a good cut of organic beef and eating red meat once or twice a month is eating healthy.