Frequent infections could mean that you have an immune system disorder. The conditions in this category are usually caused by genetic changes.
Disease
Stye (sty)
This is a painful bump along the eyelash line that can often be treated with home remedies. Find out more about this irritating eyelid infection.
Disease
Knee pain
Learn about this common complaint, which can result from an injury or medical condition, and find out which treatments may help.
Disease
Meningioma
This is the most common type of tumor that forms in the head and may affect the brain. Find out about symptoms, diagnosis and treatment.
Disease
Congenital diaphragmatic hernia (CDH)
In CDH, a baby's diaphragm — the muscle that separates the chest from the abdomen — develops a hole called a hernia. Learn about treatment before birth.
Disease
Achalasia
In this condition, the muscles in the esophagus don't relax, preventing food and drink from moving into the stomach. Learn more about this rare digestive disorder.
Disease
Mouth cancer
Learn what healthcare professionals look for when diagnosing mouth cancer. Find out about oral cancer treatments, including surgery, chemotherapy and radiation.
Disease
Squamous cell carcinoma of the skin
This common skin cancer usually looks like a bump or a scaly sore. Learn about symptoms and treatment options, including freezing, lasers and surgery.
Disease
Dry mouth
With this condition, also known as xerostomia, the salivary glands in the mouth don't make enough saliva to keep the mouth wet.
Disease
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Disease
Skull base tumors
Skull base tumors are abnormal growths at the base of the skull that can be benign or cancerous and cause symptoms such as headaches, dizziness and nosebleeds. Treatment may include surgery, radiation or careful monitoring.
Disease
Respiratory syncytial virus (RSV)
This common illness affects the lungs. It can seem like a cold, but may be severe, especially in children. Know the symptoms and treatment.