It’s not your genetic destiny to be overweight. Or to have a gut. Or to feel tired, sick and sluggish. Science has revealed that while, yes, there is a fat gene, there are also ways to turn it off and get your best body yet. Simply making ahandful of tweaks to your diet and lifestyle can help improve your gut health, dampen inflammation and turn off your fat genes, so you start shedding fat—in particular, belly fat—almost automatically.