SEARCH

To determine the number of calories and fat grams you need each day to lose, maintain, or gain weight, ask your healthcare provider or a registered dietitian. As a general guideline, to maintain your current weight, follow the three-step formula below. Remember, everyone's body and metabolism are different, so these numbers could vary slightly for you and can change over time.

1. Determine your estimated calorie needs in the chart below:

Physical Activity Level
Gender	Age (years)	Inactive (Sedentary)	Moderately Active	Active
Female	19–30	1,800–2,000	2,000–2,200	2,400
	31–50	1,800	2,000	2,200
	51+	1,600	1,800	2...

Detailed information on how the digestive system works, including a full-color, labeled illustration of the digestive system.

Detailed information on diphtheria, including symptoms, transmission, treatment, and prevention

If your healthcare provider thinks you might have melanoma, you will likely need certain exams and tests to be sure.

When the kidneys' filters (glomeruli) become inflamed and scarred it is called glomerulonephritis. The kidneys slowly lose their ability to remove wastes and excess fluid from the blood to make urine.

Dehydration means that you don’t have enough water in your body. Learn more about this condition, including causes, symptoms, prevention, and treatment.

Urinary incontinence is the loss of urine control. It may be a short-term problem caused by another health issue or a long-term problem that you’ll have to manage. Learn more about this condition, including what causes it, who is at risk, what the symptoms are, and how it's diagnosed and treated.

Bone marrow suppression is when fewer blood cells are made in the marrow. It's a common side effect of some strong medicines, such as chemotherapy.

Low birth weight is a term used to describe babies who are born weighing less than 5 pounds, 8 ounces (2,500 grams). An average newborn usually weighs about 8 pounds. A low-birth-weight baby may be healthy even though small. But a low-birth-weight baby can also have many serious health problems.