Constipation is a common problem in children. Your child has constipation if their poop is hard and dry. This often leads to straining or trouble pooping. Read on to learn more about symptoms and treatment.

Cryptosporidium infection is an intestinal illness caused by a parasite. Learn about symptoms, diagnosis, treatment, and prevention.

E. coli is a common bacteria found in people's and animals' intestines. It's also found in the environment and in food. Certain types of E. coli are harmful and can cause severe illness. Learn how E. coli affects children and how it's treated.

Giardia infection (also called giardiasis) is an intestinal illness caused by the parasite Giardia. This parasite is found in food or water contaminated with stool from infected people or animals.

Salmonella infection is an intestinal illness caused by salmonella bacteria. Here's what you need to know.

Help kids learn how asthma works with this easy-to-understand piece.

Acute, or short-term, bronchitis occurs when the bronchial tubes are irritated by a virus, bacteria, or allergen. This causes a cough that makes yellow or greenish mucus.

Learn how pulmonary rehab programs can help people with chronic lung disease, such as chronic obstructive pulmonary disease (COPD).

You are having lung surgery. To evaluate your lungs and nearby areas, tests may be done. You may have had some of these tests. Others may be scheduled before your surgery. Your healthcare provider uses the information gathered during these tests to help plan your surgery and treatment.

When living with lung cancer, you need to do all you can to stay strong. Maintain your weight by eating plenty of food. Being active helps you improve both your physical and mental health. Taking these steps can also help limit certain side effects of your treatment.