Symptoms and Causes

Overview Childhood asthma occurs when a child’s airways become inflamed in response to triggers like pollen, colds, or other respiratory infections. This inflammation can lead to…

Overview Jaw tumors and cysts are uncommon growths. They form in the jawbone or soft tissues of the mouth and face. Most are benign (noncancerous), but…

Overview Polio is a virus-based illness that attacks the nervous system. It primarily affects the spinal cord and brain stem. In serious cases, it can cause…

Overview Head and neck cancers include various types of cancer that develop in the head and neck region. These cancers typically start in the mouth, throat,…

Overview Lynch syndrome raises a person’s chances of getting several types of cancer. This health condition is genetic, meaning it passes from parents to their children…

Overview Nicotine dependence happens when someone cannot stop using nicotine because their body and brain have become reliant on it. This chemical in tobacco creates temporary…

Understanding Milk Duct Changes Milk duct widening happens when ducts beneath the nipple become larger than normal. The walls of these ducts may thicken, and fluid…

Overview Amnesia involves the loss of memories, which can include facts, information, and experiences. People with amnesia usually remember who they are. The main challenge is…

Overview Neurodermatitis, also called lichen simplex chronicus, begins with a small itchy skin area. When scratched, the itching worsens, creating a cycle that leads to thickened,…

What Are Aneurysms? An aneurysm is a dangerous bulge that forms in a blood vessel wall. These bulges can appear in different parts of the body….