Plasmids are self-replicating genetic elements that float separately from a bacterium’s own chromosomes. Plasmids evolve ...

This award provides an opportunity to learn from successful formal mentoring programs and allows others in the community to ...

Immunotherapy has redefined cancer treatment, but not all patients experience the same benefit when treated. New research in mice identifies how gut bacteria alter the body’s response to a common form ...

Luca Maini, assistant professor of health care policy in the Blavatnik Institute at Harvard Medical School, studies competition and regulation in pharmaceutical markets. He has studied how national ...

If current guidelines for cholesterol and high blood pressure treatment remain unchanged, a newly unveiled heart risk calculator would render 16 million people ineligible for preventive therapy. Loss ...

Work described in this story was made possible in part by federal funding supported by taxpayers. At Harvard Medical School, the future of efforts like this — done in service to humanity — now hangs ...

Once a drug target is identified, it often takes decades until a chemical compound is developed that can hit the bullseye and ...

Wei-Chung Allen Lee is working in a new field of neuroscience called connectomics that aims to comprehensively map connections between neurons. Video: Catherine Caruso, Stephanie Dutchen, and Tyler ...

An Asian elephant eats tree bark in Tamil Nadu, India. Modifying elephant genomes could help save these endangered species and allow them to transform Arctic landscapes to protect against climate ...

This article is part of Harvard Medical School’s continuing coverage of medicine, biomedical research, medical education and policy related to the SARS-CoV-2 pandemic and the disease COVID-19. Only a ...

The risk of schizophrenia increases if a person inherits specific variants in a gene related to “synaptic pruning”—the elimination of connections between neurons—according to a study from Harvard ...