Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
A hypothetical scenario illustrating the process of chemical selection
Different parts of the body mature at different rates. “General” refers to the body as a whole: the
All computer systems perform four basic functions: input, processing, storage, and output.
Control of the cell cycle by cyclin-dependent kinases, and the checkpoints at which they operate
Open-ocean systems vary in their biological diversity