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The familiar sounds of your heart are made by the heart's valves as they open and close.

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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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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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