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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Vehicle transmission occurs through contamination of inanimate objects, such as milk. Vehicle transmission occurs through contamination of inanimate objects, such as milk.
The Volumes of Objects with Different Densities The Volumes of Objects with Different Densities
A multiport fuel injector. Notice that the fuel flows straight through and does not come in contact ... A multiport fuel injector. Notice that the fuel flows straight through and does not come in contact ...
Absorption of a drug through cell membranes into the bloodstream (systemic circulation). The drug ... Absorption of a drug through cell membranes into the bloodstream (systemic circulation). The drug ...
Basic two-handed kneading. Tissues are lifted with the whole hand in firm contact. Basic two-handed kneading. Tissues are lifted with the whole hand in firm contact.
Evolution of internal membranes Evolution of internal membranes
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

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