Why you really shouldn't worry too much about sucking in your belly

I've been sucking in my belly for so long I hardly know how to relax it.

What happens when we suck our stomach inside? - Quora

The scary reasons you should never 'suck in your stomach

FYI: Sucking in your stomach is actually really bad for you

4 Reasons Sucking In Your Stomach is Bad for Your Pelvic Floor

Why sucking in your belly to look more fit is bad for your health

Why it's bad to always suck your stomach in

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Struggling with bloating/swollen stomach. Any ideas what it could

How Long Have You Been Sucking It In? ⋆ Naturally Fit Lifestyle