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Healthy eating is about balance, variety, and moderation.

1. Balance

Having a well-balanced diet means that you eat enough, but not too much, and that food gives you the nutrients you need to stay healthy.

You can get more information from the Dietary Guidelines for Americans. These guidelines provide tips for eating well to stay healthy and lower your risk of diseases such as heart attack and stroke.


Calories, the energy in food, are another part of balance. The more active you are, the more calories you need. When you are less active, you need fewer calories.

How many calories you need each day also depends on your age, whether you are male or female, and activity level.1 Some life situations, such as being pregnant or breast-feeding, can also influence calorie needs. The Dietary Guidelines for Americans suggest:

  • Less active women and older adults need 1,600 to 2,000 calories each day.
  • Active women and less active men need 2,000 to 2,400 calories each day.
  • Active men need 2,400 to 3,000 calories each day.

But knowing how many calories you need each day is just one part of healthy eating. Eating when you're hungry and knowing when you're full are also important.

Listening to your body

Young children are good at listening to their bodies. They eat when they're hungry. They stop when they're full.

But adults may ignore these signals. They may keep eating after they're full, or they may eat because they're bored or upset. If you ignore your body's signals for a long time (such as by dieting or overeating) you may lose your ability to notice them. You get out of practice. Other factors may influence what you eat.

Your body uses these signals to tell you when and how much to eat:

  • Hunger makes you want to eat. Your body tells your brain that your stomach is empty and your blood sugar is low. This makes your stomach growl and gives you hunger pangs. You can ignore hunger for a while, but then you reach a point where you will think only of food.
  • Fullness is the feeling of being satisfied. Your stomach tells your brain that you're full, and you won't be hungry for a few hours.
  • Appetite is the desire for the taste of food and the pleasure we get from food. It's usually linked to the sight, smell, or thought of food. Appetite can override hunger and fullness, such as when you keep eating after you're full.
actionset.gif Healthy Eating: Recognizing Your Hunger Signals

WebMD Medical Reference from Healthwise

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