There is no proof that the face is a window to the soul, but a growing body of research suggests it may reveal important clues about a person’s health. Some studies have even indicated that looking younger than one’s actual age is associated with greater longevity. A new study published in The Lancet Digital Health follows this line of inquiry through a massive artificial intelligence analysis showing that facial photographs can contain signals linked both to age and to survival among cancer patients.

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International health authorities are on alert over a possible case of plague that may not even exist. The death of a laboratory worker at a plague research facility in Russia’s Irkutsk region on October 2 sparked concerns, and the World Health Organization (WHO) on Wednesday offered technical assistance to the Russian government while requesting additional information needed to assess any potential risk.

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The death of a worker at a plague research laboratory in Irkutsk, Russia, has triggered a public health emergency in the region. Authorities have imposed restrictions on hospital access and about 200 contacts are under surveillance. But much remains unknown. Firstly, whether the researcher died as a result of an infection acquired at her workplace — a claim denied by authorities but circulating on Telegram channels and in local media. This is what is known (and not known) so far.

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