New research shows how small shifts in the molecular makeup of a virus can profoundly alter its fate. These shifts could turn ...

Physicians have long observed a mystifying phenomenon: After a bout of infection or an autoimmune disease flare-up, some people experience prolonged mood swings, emotional dysregulation, and changes ...

As part of the multifaceted process of conducting rigorous, reproducible research, scientists often grapple with challenging questions. While there are hard-and-fast rules for certain matters, many ...

The 2025 Breakthrough Prize in Life Sciences has been awarded to five scientists for the discovery and characterization of the hormone glucagon-like peptide-1, or GLP-1 — findings that subsequently ...

Spyros Artavanis-Tsakonas, professor of cell biology, emeritus, in the Blavatnik Institute at Harvard Medical School, has received a prestigious 2025 Canada Gairdner International Award. He is being ...

Our educational programs advance Harvard Medical School's core mission to alleviate human suffering by nurturing a diverse group of leaders and future leaders in both clinical care and biomedical ...

Promoting sustainability and addressing climate change can feel overwhelming as an individual or small group. But small steps ...