Fruit fly study finds death by sleep deprivation is preceded by the accumulation of unstable molecules known as reactive oxidative species in the gut.

Bee health experts Benjamin de Bivort and James Crall discuss the murder hornet threat and other dangers facing bees.

A new report published by the Brookings Institution estimates national health care spending for COVID-19 care and discusses its policy implications.

Cassandra Extavour and Leo Blondel provide the strongest suggestive evidence yet that at least part of a specific gene came from bacterial genomes.

Researchers deploying a smartphone app to 2.6 million users have determined that the loss of smell and taste are most predictive symptoms of COVID-19.

A new Harvard Chan School study has found that pod-based e-cigarettes’ efficient delivery of nicotine may foster greater dependence than other types of e-cigarettes.

Genomic analysis shows long-term genetic mixing in West Asia before the rise of the world’s first cities

A Beth Israel Deaconess Medical Center study showed dramatic drops in hospital visits for heart attacks and stroke, which likely led to uncounted deaths at home during the COVID crisis. Perhaps more troubling is the potential for long-term damage to decades’ work to catch conditions in their earliest, most treatable stages.

An expert in romantic relationships talks about the ways couples can keep relationships healthy in the time of COVID-19.

Harvard-affiliated Beth Israel Deaconess Medical Center has developed vaccines — currently being tested in animal models — that are designed to train the body’s immune system to recognize the virus swiftly upon exposure and respond quickly to disable it.