The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Brumbies on the Chandler River, Oxley Wild Rivers National Park.
Income per Capita versus Inequality
Causes of Trauma Deaths by Approximate Percentage
The price of rice in a small country is currently $6 per pound. In order to help low-income ...