It is recommended we all aim for 150 minutes a week of moderate physical activity (or 75 minutes of vigorous activity). Spreading that 150 minutes out in increments of, say, 30 minutes a day, five days a week is a common recommendation, but that is not practical or possible for everyone. A group of researchers studied the health effects associated with squeezing all the recommended weekly activity into a day or two. The study used data on nearly 90,000 people ages 54 to 70 who wore an activity-tracking accelerometer for one week. They then compared physical activity patterns with incidence of various health conditions.
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