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NPD

Narcissism is a term used to describe a focus on the self and self-admiration that is taken to an extreme. The word "narcissism" comes from a Greek myth in which a handsome young man named Narcissus sees his reflection in a pool of water and falls in love with it.   Narcissistic personality disorder is one of a group of ...

Narcolepsy

Narcolepsy is a chronic disease of the central nervous system. Excessive daytime sleepiness (EDS) is the main symptom and is present in 100% of patients with narcolepsy.   Other primary symptoms of narcolepsy include:   loss of muscle tone (cataplexy),  distorted perceptions (hypnagogic hallucinations), ...

Nausea and Vomiting

Nausea and vomiting are symptoms of an underlying disease and not a specific illness. Nausea is the sensation that the stomach wants to empty itself, while vomiting (emesis) or throwing up, is the act of forcible emptying of the stomach.   Vomiting is a violent act in which the stomach has to overcome the pressures that are normally ...

Neck Pain

Pain located in the neck is a common medical condition. Neck pain can come from a number of disorders and diseases of any tissues in the neck. Examples of common conditions producing neck pain are degenerative disc disease, neck strain, neck injury such as in whiplash, a herniated disc, or a pinched nerve.   Neck pain can come from ...

Night Sweats

Doctors in primary care fields of medicine often hear their patients complain of night sweats as they are common. Night sweats refer to any excesssweating occurring during the night. However, if your bedroom is unusually hot or you are using too many bedclothes, you may begin to sweat duringsleep - and this is normal.   In order to ...

Obesity

The foods we eat every day contribute to our well-being. Foods provide us with the nutrients we need for healthy bodies and the calories we need for energy.   If we eat too much, however, the extra food turns to fat and is stored in our bodies. If we overeat regularly, we gain weight, and if we continue to gain weight, we may become ...

Osteoarthritis

Osteoarthritis is not a single disease but rather the end result of a variety of disorders leading to the structural or functional failure of 1 or more of your joints.   Osteoarthritis involves the entire joint including the nearby muscles, underlying bone, ligaments, joint lining (synovium), and the joint cover (capsule).  ...

Osteomyelitis

Osteomyelitis is the medical term for an infection in a bone. Infections can reach a bone by traveling through the bloodstream or spreading from nearby tissue. Osteomyelitis can also begin in the bone itself if an injury exposes the bone to germs.   In children, osteomyelitis most commonly affects the long bones of the legs and upper ...

Osteoporosis

Osteoporosis is a condition characterized by a decrease in the density of bone, decreasing its strength and resulting in fragile bones. Osteoporosis literally leads to abnormally porous bone that is compressible, like a sponge.   This disorder of the skeleton weakens the bone and results in frequent fractures (breaks) in the bones. ...

Ovarian Cancer

Cancer occurs when cells undergo a transformation and begin to grow and multiply without normal controls. As the cells grow and multiply, they form masses called tumors. Cancer is dangerous because it overwhelms healthy cells by taking their space and the oxygen and nutrients they need to survive and function.   Ovarian cancer occurs ...

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