Researchers are studying the potential of gold nanoparticles (yellow dots) to deliver drugs into the body. Veronika Sapozhnikova, Konstantin Sokolov, Rebecca Richards-Kortum/M.D. Anderson Cancer Center and Rice University via NIH/Flickr

Your immune system attacks drugs like it does viruses – paradoxically offering a way to improve cancer treatment

As it does with other pathogens, your immune system sees drugs as foreign invaders to be expelled from your body. But exploiting this process could reduce the side effects of chemotherapy.
While pills come in many shapes and sizes, they all eventually reach your bloodstream and travel throughout your body. Vadim Sazhniev/iStock via Getty Images

How do drugs know where to go in the body? A pharmaceutical scientist explains why some medications are swallowed while others are injected

From tablets and patches to ointments and infusions, the best way to deliver a drug is the one that gets the right amount to the right place.

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