Experts have, for the first time, classified obesity as a disease—with a narrower definition than the old one, which relied on body mass index (BMI) alone. The new one requires evidence of some kind of impaired function and could profoundly affect medical care.

And time has run out for TikTok. The Supreme Court has upheld a law requiring it to be sold or shut down by Sunday. Its 170m American users may find themselves looking for another app to scroll unless an unlikely saviour steps forth—perhaps one named Donald Trump.

In our latest update from The Economist’s 1945 archive, we examine the beginning of 1945, when most of the territory occupied by the Nazis had been liberated. France was mostly under the control of a provisional government led by Charles de Gaulle, who had returned to the capital. Meanwhile large parts of central and eastern Europe, from Poland to Romania, had thrown off fascist regimes with the help of the Soviet Union. But life after liberation wasn’t easy. France was impoverished and in desperate need of aid, while in the east “a complete veil of secrecy” had fallen over the “Russian zone”.