There’s also the impact fiber has on your gut health. By now you’ve likely heard of the microbiome—the trillions of bacteria that live in your digestive tract. It turns out that a predominance of certain strains of bacteria may encourage inflammation and weight gain, and eating fiber-rich foods can favorably shift this balance. While it’s too soon to say that changing your microbial makeup will prompt weight loss, it’s likely to send a “hey, stop gaining weight,” message.
You're probably familiar with high-intensity interval training (HIIT). When it comes to cardio, HIIT is definitely the best way to strip off body fat, to the extent that there's literally no reason to hop on a treadmill and run at a steady pace for 30 or more minutes unless you're an endurance athlete. And if you're reading this magazine, chances are you don't desire the physique of a marathoner.
In a way, moderate-intensity physical activity is that "magic pill" a lot of people are looking for, because the health benefits go beyond keeping your waistline trim: Not only can it reduce your risk of cancer, stroke, diabetes and heart attacks, but studies have shown that physical activity can significantly improve the moods of patients with major depressive disorders.