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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

The male reproductive system, sagittal section showing the organs of the system and their relation t The male reproductive system, sagittal section showing the organs of the system and their relation t
The Circumventricular Organs The Circumventricular Organs
Jean Piaget influenced the field of developmental science more than any other individual. Jean Piaget influenced the field of developmental science more than any other individual.
The integument: the epidermis, dermis, subcutaneous tissue, and its appendages. The integument: the epidermis, dermis, subcutaneous tissue, and its appendages.
Metastatic process: Tumor leaving primary site to travel to other distant organs to grow. Metastatic process: Tumor leaving primary site to travel to other distant organs to grow.
(a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces (a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces
Video: What is Reverse Osmosis?

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