Flatulence, diarrhea, rashes and other health issues have been with some humans and their ancestors for up to a million or more years.
The map reveals exactly which proteins are special to organs, and which ones are common across all tissues in the body.
Scientists have discovered a new class of antibiotics that can kill a wide range of dangerous, drug-resistant bacteria.
Insect-eating bats that inhabited a hollow tree in a remote village in Guinea may have been the source of the world's biggest Ebola epidemic.
The bacteria that lives in our bodies may have evolved to take down the elderly so that the young could thrive.
The death toll is rising, but the number of new cases is slowing, says the World Health Organization.
A weak region in the brain may be associated with both Alzheimer's disease and schizophrenia. Continue reading →
Demand for Ebola samples is high among scientists developing treatments, but fear of exposure is holding up transportation of samples. Continue reading →
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