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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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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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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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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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When the exhaust is lean, the output of a zirconia oxygen sensor is below 450 mV. When the exhaust is lean, the output of a zirconia oxygen sensor is below 450 mV.
When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV. When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV.
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
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