8 Bad Habits That Could Make You Healthier

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8 Bad Habits That Could Make You Healthier

Some “bad” habits were never meant to be broken. These eight vices may ward off illness, sharpen your mind, and could even help you reach your fitness goals.

The Benefit: Optimal Lung Function

Letting out a long sigh typically exudes an air of boredom or a moment of relief—neither of which give off such a great impression during most day-to-day environments like say a job, with friends, or family. And it doesn’t necessarily seem all that healthy, either. But according to a study published in the journal Nature, that loud exhale is crucial for lung health. Specifically, its ability to open the alveoli (which are tiny air sacs in the lungs that allow oxygen and carbon dioxide to travel to and from the bloodstream), reports Medical News Today. "When alveoli collapse, they compromise the ability of the lung to exchange oxygen and carbon dioxide," says lead author of the study, and professor of neurobiology at the David Geffen School of Medicine at the University of California-Los Angeles (UCLA), Jack Feldman. “The only way to pop them open again is to sigh, which brings in twice the volume of a normal breath. If you don't sigh, your lungs will fail over time." So next time someone gives you the side eye you for your sigh, tell them this natural, involuntary habit is bettering your health.

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