A skin pigmentation mechanism that can darken the color of human skin as a natural defense against ultraviolet (UV)-associated cancers has been discovered by scientists at Harvard-affiliated Massachusetts General Hospital…

In 2018, a study found that a high dose of an omega-3 fatty acid given to patients with an elevated cardiac risk significantly reduced cardiovascular events. Findings from the Reduction…

The delta variant of the coronavirus has been spreading rapidly throughout the U.S. and worldwide. William Hanage, associate professor of epidemiology and a faculty member of the Center for Communicable…

New research in humans and mice identifies a particular signaling molecule that can help modify inflammation and the immune system to protect against Alzheimer’s disease. The work, which was led…

A team led by Harvard researchers found that presentations about COVID-19 delivered by physicians improved knowledge about the disease and preventive behaviors across racial lines. But their study also discovered…

Consuming higher amounts of vitamin D — mainly from dietary sources — may help protect against developing young-onset colorectal cancer or precancerous colon polyps, according to the first study to…

Why does SARS-CoV-2 shapeshift wildly from one person to the next, causing barely a sniffle in some but raging, lethal infections in others? Why do people diagnosed with the same…

Brian Strickland was high up in the Himalayas, walking around a rustic clinic a day’s hike from Mount Everest. He was trying to find a cellphone signal strong enough to…

Questions about the genealogical imprint of tumors have hovered over cancer research since the completion of the Human Genome Project in 2003. Is liver cancer different at a basic, molecular…

Most people with COVID-19 have relatively mild disease, but a subset of them develop severe pneumonia and respiratory failure, potentially leading to death. In new research published today in Nature…