Chaga mushrooms are a birch-tree fungus from cold climates that people have used for centuries, and they’re now commonly consumed as tea or supplements. Animal and test-tube studies suggest chaga ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...

Learn about the basics of blood pressure and high blood pressure: an overview of risk factors, causes, diagnosis, and treatment. Find out what the top and the bottom blood pressure numbers mean, and ...