Cystic fibrosis (CF) is an inherited disease that causes the body to produce mucus that's extremely thick and sticky. It mainly affects the lungs and the pancreas, causing serious breathing and digestive problems.
If you have lactose intolerance, you're not alone. Millions of Americans have the condition. Check out these tips on dealing with lactose intolerance.
Inflammatory Bowel Disease
Just like other organs in your body, the intestines can develop problems or diseases. Inflammatory bowel disease is an ongoing illness caused by an inflammation of the intestines.
A hernia is an opening or weakness in the wall of a muscle, tissue, or membrane that normally holds an organ in place. Learning to prevent hernias isn't hard to do - check out these tips.
Gastroesophageal Reflux Disease (GERD)
Gastroesophageal reflux disease doesn't just affect old people who eat too much while watching TV. Active, healthy teens can have GERD too.
Doctors once thought that stress, spicy foods, and alcohol caused most stomach ulcers. But ulcers are actually caused by a particular bacterial infection, by certain medications, or from smoking. Read all about ulcers.
People who have celiac disease, a disorder that makes their bodies react to gluten, can't eat certain kinds of foods. Find out more - including what foods are safe and where to find them.
Cystic Fibrosis: Diet and Nutrition
Like every other teenager, girls and guys with CF need calories to fuel their growth. They just need more of them - sometimes as much as 30% to 50% more calories than other teens.
Irritable Bowel Syndrome
For some people stomachaches and diarrhea are a regular occurrence. Read this article for information on irritable bowel syndrome (IBS), a common intestinal disorder that affects the colon.
Indigestion is just another name for an upset stomach. It usually happens when people eat too much or too fast, or have foods that don't agree with them.
Constipation is a very common problem that usually happens because a person's diet doesn't include enough fluids and fiber. In most cases, making simple changes can help you feel better.
Lots of different problems can cause similar kinds of stomach pain - not all of them related to the digestive system. Here are some clues about what could be going on.
Upper GI (Video)
This video shows what it's like to get an upper GI test.
Cystic Fibrosis: Sample Menu
This sample meal plan for teens with cystic fibrosis provides a day's worth of meals that add up to about 3,750 calories.
Cholera is an intestinal infection that mostly affects people in tropical regions. Find out more about cholera in this article for teens.
A worm that grows in the intestines by eating your food is pretty icky to think about. This article provides the basics on tapeworm infections and how to prevent them.
I'm Lactose Intolerant and Got a Burning Pain After Drinking Milk. What Should I Do?
Find out what the experts have to say.