Everyone has one nostril that is larger than the other.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Transformation and Evolution of a Long-Period Comet