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Dizziness Overview Dizziness is the feeling of being disoriented, lightheaded, woozy, or having a a sense of unsteadiness. It affects the sensory organs, specifically the eyes and ears, so it can sometimes cause fainting.  Feeling dizzy can have many possible causes,...

Sneezing Overview Sneezing is a protective reflex which usually happens suddenly and without any warning. A sneeze is a powerful, involuntary expulsion of air. It's the body’s way of removing irritants from the nose or throat. Sneezing is also known as sternutation is...

Infection Overview An infection occurs when pathogens (organisms) such as bacteria, viruses, fungi, parasites yeast or other microorganisms and infectious agents enters the body tissue and causes disease. When a virus infects a person (host), it invades the cells of...

Cancer Overview The word cancer is derived from the Latin word for crab because cancers are often very irregularly shaped, and because, like a crab, they "grab on and don't let go." The term cancer specifically refers to a new growth which has the ability to invade...

Diarrhea Overview Diarrhea is a common problem characterized by loose, watery stools or a frequent need to have a bowel movement, the passage of 3 or more loose or liquid stools per day. It usually lasts a few days (1-3 days) and often disappears without any treatment...

Nausea Overview Nausea is the sensation of an urge to vomit, nausea can be acute and short-lived, or it can be prolonged. When prolonged, it is a debilitating symptom. Nausea is an uneasiness and discomfort of the stomach and the sensation of wanting to vomit, that...

Headache Overview Headache is pain or discomfort in the head or face, headaches vary greatly in terms of the location and intensity of the pain, and how often the headaches occur. Headaches are one of the most common health conditions worldwide. Up to 75% of adults...

Fatigue Overview Fatigue refers to mental or physical state of extreme tiredness and lack of energy. Fatigue is usually a symptom of another disease or condition. It can affect anyone, and most adults will experience fatigue at some point in their life. Physical and...

Cough Overview A cough is the body's way of responding when something irritates the throat or airways. An irritant (mucus, germs or dust) stimulates nerves that send a message to the brain. The brain then tells muscles in your chest and abdomen to push air out of your...

Pain Overview Pain is a general term that describes uncomfortable sensations in the body. Pain is a distressing feeling often caused by intense or damaging stimuli which stems from activation of the nervous system, pain is a signal in the nervous system that something...

Fever Overview A fever is a raising of the body temperature above the normal level and can be caused by many different reasons. While there are no strict rules, a fever is generally considered to be a temperature above 37.2oC in the morning or 37.8oC at other times of...

Stages of Breast Cancer Breast Cancer is typically labeled in stages from I to IV, with IV being the most serious. Those broad groups are based on a much more detailed system that includes specific information about the tumor and how it affects the rest of the body....