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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Pedigree of a mitochondrial disease Pedigree of a mitochondrial disease
Major parts of a kidney Major parts of a kidney
Role of CD23 on epithelial cells in the pathogenesis of food allergic disease. Role of CD23 on epithelial cells in the pathogenesis of food allergic disease.
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease. Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
Raynaud’s disease. Raynaud’s disease.
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

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