Headaches are painful and occur in the head. Headaches occur due to a primary or secondary cause. Primary headaches, suc
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COPD is an umbrella term for a variety of progressive lung diseases. Both chronic bronchitis and emphysema can cause COP
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An arrhythmia is an irregular heartbeat. This means that your heart is out of its normal rhythm. You may feel like your
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Fever is a temporary increase in body temperature. It is part of the overall response of the body's immune system. F
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Hypertension is when blood pressure is too high. Blood pressure is written with two numbers. The first number represents
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Heart failure occurs when the heart muscle does not pump blood as well as it should. Blood often pools, causing fluid to
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Obesity is a complex disease that results in an excessive amount of body fat. Obesity is not just a cosmetic problem. It
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Parkinson's disease is a brain disorder that causes involuntary or uncontrollable movements, such as tremors, stiffn
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Epilepsy is a disorder of the central nervous system in which brain activity becomes abnormal, causing seizures or perio
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Tuberculosis is an infectious disease that can cause infection of the lungs or other tissues. It usually affects the lun
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Infectious diseases are illnesses caused by harmful organisms that enter your body from outside. The causative agents of
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