If your mucus is gray or black... …you likely inhaled dark-colored particles, like smoke from a fire or heavy exhaust. Regular smokers can also blow out darker mucus because of the tar or other toxic ...

A deadly "flesh-eating" fungus is spreading rapidly in the US, posing a serious threat to people with weakened immune systems ...

Learn the 7 vital bladder cancer warning signs that require immediate medical attention, including subtle early symptoms many ...

The research field of 'cellular IRESes' lay dormant for decades, as there was no uniform standard of reliable methods for the clear characterization of these starting points for the ribosome-mediated ...

As a result, Ibrahim and Gu developed an antibody called VX-01, a humanized antibody that has proven more effective at ...

During infections, the immune system needs to distinguish foreign antigens that are expressed by invading bacteria and viruses from self-antigens that are expressed by cells of the body.

Scientists say they have shed new light on how bacteria protect themselves from certain phage invaders -- by seizing genetic material from weakened, dormant phages and using it to 'vaccinate' ...

Like people, bacteria get invaded by viruses. In bacteria, the viral invaders are called bacteriophages, derived from the Greek word for bacteria-eaters, or in shortened form, "phages." ...