A rapid expansion of coronavirus testing is needed to understand the extent and nature of the epidemic’s track in the U.S., Harvard experts said.

A key unanswered question in the coronavirus epidemic concerns why children seem to be getting fewer or less-serious infections from the new contagion.

Boston-area researchers are collaborating as part of an international partnership working on a response to the new coronavirus.

With legal marijuana easier to find, a Harvard professor addresses myths and progress finding answers about pot’s health impacts.

A decline in cancer mortality was a prominent feature of recent good news about U.S. life expectancy. The Gazette spoke with the director of the Chan School’s Zhu Family Center for Global Cancer Prevention to understand why.

Taxes on sugary drinks are potentially effective tools to fight the obesity epidemic and advocates are drawing lessons from the long battle against tobacco as they plot what they know will be a tough road ahead.

A Harvard Business School expert says effects will strengthen as manufacturers everywhere feel the pinch of slowing one of the world’s largest economies.

Harvard’s Marc Lipsitch said evidence indicates that the international cordon keeping coronavirus cases bottled up in China is a leaky one, and it’s likely that the relative handful of global cases reported so far are undercounted. If true, that will lead to widespread illness internationally, including in the U.S.

Bringing climate change into the examining room by discussing links between a warming environment and the everyday health of patients.

Harvard epidemiologist Michael Mina said as many as 100,000 people are likely already infected with the new coronavirus, with many more likely to come.