October 27, 2016

A roundup of new and noteworthy insights from the week’s most talked-about studies:

1 TWITTER LOVES COFFEE

A study in the Journal of Medical Internet Research Public Health and Surveillance that analyzed Twitter activity found that coffee was the most tweeted-about food in America; runners-up included beer and pizza.

2 EXERCISE HELPS SLOW MEMORY LOSS

A study of people with cognitive impairment published in the journal Neurology found that a group that walked three times a week (and gradually increased intensity for six months) performed significantly better on memory tests than a group that did not add exercise.

3 INFANTS SHOULD SLEEP IN THE ROOM, BUT NOT THE BED, WITH PARENTS

New guidelines from the American Academy of Pediatrics (AAP) stipulate that infants should sleep in their parents’ bedrooms for at least six months and ideally a year. For safety reasons, they should still not share one bed. But if that situation cannot be avoided, the AAP says, parents should keep infants away from comforters and pillows and make sure the bed is firm.

–J.Z.

This appears in the November 07, 2016 issue of TIME.

Write to Julia Zorthian at julia.zorthian@time.com.

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