People suffer from headaches and nosebleeds for a variety of reasons, some benign, others serious. According to Healthline, there are two types of headaches: migraine headaches, which occur on one side of the head, and t... More »

According to the CDC website, the ICD-9 code of 401.9 is described as Unspecified Essential Hypertension. The Mayo Clinic advises that most people who have high blood pressure have no signs or symptoms to report, however... More »

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Symptoms of essential thrombocytosis include headaches, blood clots, fatigue, dizziness and chest pain, according to Mayo Clinic. Patients who have an extremely high platelet count may experience bleeding in the gums and... More »

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Warning signs of lupus include breath shortness, sweating, chest pain, nausea, vomiting, seizures, sudden numbness, vision changes, severe headaches and speaking difficulty, among others. Typically, the signs commonly en... More »

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The reasons for altruistic behavior, the selfless desire to help others, are biological, neurological, cognitive and social in nature, according to Kendra Cherry for About.com. Whether altruistic behavior is purely unsel... More »

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While the specific causes of most constant, or chronic, headaches are unknown, frequent headaches can be triggered by a variety of factors, including inflamed blood vessels surrounding the brain, intercranial imbalances,... More »

There are a variety of reasons why dark skin may become discolored, ranging from perfectly benign skin dryness to possibly dangerous cancerous melanoma, so those who are experiencing skin discoloration may want to see a ... More »

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