Unexpected deposits of bacteria have been found inside brain tumors, apparently affecting how the cancers grow and behave, a new study says. File Photo by Tamas Soki/EPA
The brain is thought to be a sterile environment, free from germs.
But…

Unexpected deposits of bacteria have been found inside brain tumors, apparently affecting how the cancers grow and behave, a new study says. File Photo by Tamas Soki/EPA
The brain is thought to be a sterile environment, free from germs.
But…