David Ludwig, M.D., Ph.D., professor at Harvard Medical School and author of Always Hungry?, says that the sugar in juice is digested super fast because there are no other nutrients (like fat or protein) to slow it down. That leads to a giant blood-sugar spike and subsequent crash that leaves you craving sugar and carbs, says Ludwig. And since we drink juice even when we’re not hungry, all those calories go straight to storage, he says.
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Life without bacon and cheese sounds harsh, but your hips will thank you. Vegan diets beat out semi-vegetarian, pescatarian (fish), and omnivorous (meat and plant foods) diets, according to recent research. In fact, after six months, dieters lost more than twice the weight compared to the other groups. But you can't nix all animal products and call it a day—quality matters. "I see it a lot: two vegans, one is really healthy and the other is really unhealthy," says Pamela Salzman, an LA-based cooking instructor and holistic health counselor. "You can eat potato chips all day and that's a vegan diet," she says. If you're going vegan, focus on those complex carbs, produce, healthy fats, and whole soy foods; skip processed junk, even if it's vegan.
Talk about heart ache: high blood pressure stresses arteries, and can make you more susceptible to heart disease. To eat to lower your blood pressure, you just need to focus on heart-healthy bites. The American Heart Association recommends loading up on fruits, veggies, whole grains, low- or non-fat dairy, beans, lean meats, and fish. Bonus: no one's ever gotten fat eating more kale and beans.