See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Microplastics in the bloodstream may cause blockages the brain and ...

Blood sampling in rodents is common practice in scientific studies. Some of the refined methods widely used are the puncture of the saphenous vein or tail vein, or even tail docking. The handling ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In a study straight out of science fiction, scientists have increased ...

Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found. By Carl Zimmer A team of scientists has extended the lives of old mice by connecting their blood vessels to ...

Scientists are investigating how blood cells or other parts of blood might be responsible for aging. fotograzia via Getty Images Connecting the bloodstreams of old and young mice can extend the ...