The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Central venous catheter.
The Ventral Tegmental Area and the Nucleus Accumbens
Illustration of the Brain Lobes Showing Location of Broca’s Area and Wernicke’s Area