Health

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 show such an association.

A surge in COVID-19–related deaths in the U.S. could exceed the peak seen in early 2021, according to experts.

Researchers have found strong evidence of an association between exposure to fine particulate air pollution from 2020 wildfires in the U.S. and increased risk of COVID-19 cases and deaths in three western states, for up to four weeks after the exposure.

Immunologist Yonatan Grad explains what has been learned from COVID-19 and how to apply the lessons moving forward.

New study suggests practical strategies to help children through a pandemic.

A new study found that COVID-19 messages tailored to Black audiences and presented by physicians of color did not enhance the effectiveness for minority participants.

Researchers say policymakers should weigh decarceration for inmates at low risk of reoffending to combat COVID inside prisons.

Researchers have now created a simple, inexpensive diagnostic test that allows users to test themselves for multiple variants of the SARS-CoV-2 virus at home, using just a sample of their saliva.

Harvard Associate Professor of Epidemiology William Hanage provides tips on how to deal with the delta variant of COVID-19.

Researchers are looking more closely at the impact of stress on the body, taking it down to the cellular and molecular level.

Conversations with Harvard experts shed light on the rise of delta, an unwelcome twist in transmission, the power of vaccination, and more.

The Gazette spoke with Harvard psychologist Michael Hollander about the toll anxiety can take on performance and what must change to ensure athletes get the help they need.

A new study demonstrates how changing parents’ health behavior and how clinicians deliver care to mothers and infants decreases excess weight gain in infants.

Robert Blendon examined the divide among Americans over vaccine mandates.

Changes in gut microbiome in longitudinal study of infants precede onset of celiac disease.

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.

Coronavirus ultimately not over, says Harvard Chan School’s William Hanage.

A high dose of a purified ethyl ester of eicosapentaenoic acid in patients at elevated cardiac risk significantly reduces cardiovascular events.

An enzyme called nicotinamide nucleotide transhydrogenase plays a key role in the production of melanin.

A Harvard Chan School psychologist counseled awareness and flexibility as people return to work, school, or other pre-pandemic activities.

Researchers at Harvard University and the Broad Institute of MIT and Harvard have created a detailed atlas of a critical region of the developing mouse brain, applying multiple advanced genomic technologies to the part of the cerebral cortex that is responsible for processing sensation from the body.

A new study finds postmenopausal women eating a concentrated amount of chocolate during a narrow window of time in the morning may help the body burn fat and decrease blood sugar levels.

Massachusetts General Hospital’s new Center for the Neuroscience of Psychedelics aims to better understand psychedelic drugs for therapeutic purposes.

The COVID-19 vaccine that requires just one shot has been shown to generate a robust immune responses against variants.

A clinical trial found that for certain patients, a small chip under the skin may help predict the likelihood of a second stroke.

A College senior’s research project has shown a way to more quickly understand the characteristics of emerging diseases, by examining global internet searches for symptoms.

The results indicate that CHW interventions may help reduce hospital readmissions and improve preventive care.

How to stop a pandemic? Spot it early, let the pros spread the news, and engineer the heck out of it.

An independent expert panel has recommended that individuals of average risk for colorectal cancer begin screening exams at 45 years of age instead of the traditional 50.

Harvard Chan’s David Williams, whose research looks at how discrimination affects Black people’s health, talks about his pioneering work to assess the toll that police killings are having on Black mental health.