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Here you will find detailed information on chin reshaping, cheek reshaping, jaw reshaping, and facial implants, including what to expect from these procedures.

Nuclear medicine is a specialized area of radiology. It uses very small amounts of radioactive materials to examine organ function and structure. This branch of radiology is often used to help diagnose and treat abnormalities very early in the progression of a disease, such as thyroid cancer.

Cystic fibrosis (CF) is an inherited life-threatening disease that affects many organs. People with CF have problems with the glands that make sweat and mucus.

Interstitial lung disease is the name for a group of more than 200 chronic lung disorders. These diseases inflame or scar the lungs. The inflammation and scarring make it hard to get enough oxygen. The scarring is called pulmonary fibrosis.

Learn about other surgical methods, like laser surgery and electrosurgery, that surgeons sometimes use.

Dengue (pronounced DEN-gee) fever is a viral disease. It is transmitted by mosquitoes mainly in tropical and subtropical areas of the world.

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