Mindstrong's mood-predicting app is shadowed by questions over evidence - STAT

Mindstrong's mood-predicting app is shadowed by questions over evidence - STAT

Flu season is coming. If you live in a large city, it may stretch longer than elsewhere, study says

By HELEN BRANSWELL

SPENCER PLATT/GETTY IMAGES

Large cities endure longer periods of transmission and smaller cities experience shorter but more explosive spread, a new study suggests.

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