Despite worries that a new coronavirus variant may be able to evade vaccines just being distributed, a Harvard public health expert expressed confidence in the same technology that produced the vaccines in record time.

A study of diet has found that by adhering to specific guidelines, women can reduce more than one-third of incidence of gastroesophageal reflux disease symptoms.

Paul Farmer awarded Berggruen Prize for Philosophy and Culture.

Anthony Fauci predicted herd immunity by next fall and “normality” by 2021’s end, as long as enough people get vaccinated to bring the pandemic to an end.

A Harvard Medical School study in mice reveals how memory neurons reorganize after new experiences.

Researchers find that obesity allows cancer cells to outcompete tumor-killing immune cells in a battle for fuel in mice.

Mortality rate after cancer surgery drops during 10-year period, but gap persists between Black and white patients.

Evidence of a post-Thanksgiving surge should be emerging this week, a Harvard epidemiologist said, advising people who gathered together to get tested or assume they’re infected.

Harvard Medical School scientists reverse age-related vision loss, eye damage from glaucoma in mice.

As part of our series, artificial intelligence is examined through the medical lens. It may lift personalized treatment, fill gaps in access to care, and cut red tape, but risks abound.