The average woman needs 2,200 calories a day and 2,500 when she is pregnant.

Doctors say he needs more than 2,500 calories a day to recover.

As a growing, active guy, you may need about 3,000 calories or more each day.

Let's say you need about 2,000 calories a day to maintain your weight, which is a rough average for most people.

For more information on assessing how many calories you need at your new weight, go to www.mypyramid.gov.

Higher or lower amounts may be needed depending on how many calories per day you need.

Burn patients need many more calories than healthy people to provide energy for healing.

Less active women and older adults need 1,600 to 2,000 calories each day.

But knowing how many calories you need each day is just one part of healthy eating.

They'd need 5000 calories a day in this weather just to survive.