Arthritis is an inflammation of the joints that causes pain and swelling. Juvenile arthritis is the term used for arthritis in children. Read on to learn more.

Some breast changes or conditions are related to a young woman's menstrual cycle, but others may occur at any time. Most breast conditions are benign. Read more about breast changes in young women.

Detailed information on wheat allergy, a type of food allergy, including how to read a label for a wheat-free diet.

Detailed information on allergy triggers and symptom control

Tree nuts include almonds, pecans, and walnuts. Tree nuts are also found in many food products. Here's what you need to know.

When your child has a soy allergy, they can't have any foods containing soy. Read on for detailed information on how to manage a soy-free diet. This includes how to read food labels, other possible sources of soy, and tips when eating out.

Detailed information on allergy, asthma, and immunology

Detailed information on a shellfish food allergy, including how to read a label for a shellfish-free diet and how to safely eat at a restaurant.

Amenorrhea is when a girl's menstrual bleeding (period) doesn't occur.

Detailed information on symptomatic conditions of allergy, including asthma, atopic dermatitis, contact dermatitis, rhinitis, and urticaria