The terms nostalgia and nostalgic are medically related terms used for homesickness. The difference between them is of the time periods, that is, nostalgia is related to the past, whereas, nostalgic is related...

Symptoms are things that can only be felt by the patient. These are the things that a patient experiences about the illness, injury or disease. These must be described to the doctor, in order for him or her to...

Pressure entails a sense of urgency that is imposed on someone. Pressure is often used as a motivating factor. However, if a person has to face too much pressure or is under pressure too often, then the...

Attention deficit-hyperactivity disorder (ADHD) is a medical disorder that is characterized by excessive inattentiveness, hyperactivity and impulsiveness. ADD is an older term that is used to refer to...

A headache usually refers to the appearance of pain anywhere in the region of the head or neck. A headache is a symptom, usually corresponding to a lingering condition of the head and neck. A migraine is...