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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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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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The longest a person has survived after a heart transplant is 24 years.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Operant conditioning, also known as trial-and-error learning. Operant conditioning, also known as trial-and-error learning.
Learning Multiplication Learning Multiplication
REM Sleep and Learning REM Sleep and Learning
Graph showing the relationship between the freezing point of the coolant and the percentage of ... Graph showing the relationship between the freezing point of the coolant and the percentage of ...
Use of a hand tool to apply pressure to a trigger point. Use of a hand tool to apply pressure to a trigger point.
Major marma point locations. Major marma point locations.
Video: Bone elongation - processes at the epiphyseal plate

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