Fake sugar may contain zero calories, but it reinforces your taste for sugary food, says Wright. (And yes, this goes for Stevia, too.) “If you eat sweetener of any kind, you’ll never have ‘orgasms’ in your mouth over apples,” she says. Joking aside, the less you rely on these, the more you’ll appreciate the natural sweetness found in foods—even vegetables.
Real talk: It could take weeks or months to see the metabolic effects of exercise on the scale, and even then, building muscle, which is denser than body fat, could lead to weight gain. “Do what you like because it’s good for you,” Dr. Seltzer says, noting the way exercise is awesome for your heart, mental health, and more—and that not all measure of progress can be seen on the scale.