A hot flash is the sudden feeling of warmth in the upper body, which is usually most intense over the face, neck and chest. Your skin...

Atopic dermatitis (eczema) is a condition that causes dry, itchy and inflamed skin. It's common in young children but can occur at any...

Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger...

Overview Alzheimer's disease is a progressive neurologic disorder that causes the brain to shrink (atrophy) and brain cells to die....