Medical research articles from across Nature Portfolio Medical research involves research in a wide range of fields, such as biology, chemistry, pharmacology and toxicology with the goal of ...

But if teeth whitening is comfortably positioned in the middle of your self-improvement list—in the top 10, but not at the top—then Crest 3D Whitestrips 1-Hour Express are an excellent option.

Sports medicine. Read the latest research on competitive and recreational sports, including information on the occurrence and treatment of sports injuries.