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Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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The average adult has about 21 square feet of skin.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

The major muscles of the human body, anterior side. The major muscles of the human body, anterior side.
Muscles of the Torso Muscles of the Torso
Muscles of the Right Lower Extremity Muscles of the Right Lower Extremity
The three types of muscle: Skeletal, cardiac, and smooth. The three types of muscle: Skeletal, cardiac, and smooth.
Stretching the muscles of the hip and lower back with diagonal adduction of the bent leg. Stretching the muscles of the hip and lower back with diagonal adduction of the bent leg.
Cardiac muscle Cardiac muscle
Video: Enzyme-Catalyzed Reactions

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