When embracing a new lifestyle like intermittent fasting, you may notice some changes in the way you feel. Some good (hello, sleeping better and better blood pressure), some bad (dizziness, headaches, etc.), and some weird or unexpected –– like feeling cold –– wait, does fasting make you cold?

Is basal metabolic rate (BMR) the missing piece of your weight loss puzzle? Find your basal metabolic rate with our BMR calculator below and learn how to use this crucial metric to lose weight, get fit, eat healthily, and improve your well-being.

What does the Simple app have in common with an elite athlete? Yup, an unwavering commitment to using data to push for constant improvement. (Though, at Simple, we've less of a need for energy gels.) Your feedback fuels every improvement we make — and how we've improved Nutrition Scores is no different.

For the seventh year in a row, the U.S. News and World Report ranked the Mediterranean diet as the most health-promoting eating routine in the world. As nice as the Mediterranean Sea is, it's not just something in the water: there's a ton of research that reflects just why this eating routine — really more of a lifestyle than a diet — is so beneficial.

Athletic Greens — or AG1 — is a supplement known for its nutrient density. But even if it contains health-promoting ingredients, can it interfere with your fasting goals? Does Athletic Greens break a fast? Here's the 4-1-1 on Athletic Greens and intermittent fasting.

Aging is a beautiful privilege that not everyone gets to have. That doesn't mean it always feels like a piece of cake, however. Sometimes, it's something you'd rather not stomach at all.

Embracing a new lifestyle choice can either be a walk in the park or a bit of a puzzle. Take intermittent fasting, for example. It's a way to tweak your eating habits for potential health perks. It's flexible and can be adapted to fit your lifestyle, but there are some key pieces that can either make or break your fasting game.

Looking to lose weight, burn fat, or boost your metabolism? A 16:8 intermittent fasting morning workout may be the one-two punch that helps you knock out your goals. But how do you mix fasting and working out in the morning safely and effectively? Here's what our experts say about intermittent fasting and morning workouts.

Ever feel like achieving your health and weight loss goals is an uphill battle? How good would it feel to have some of the struggles smoothed out? The three Simple features below do exactly that. They're packed with powerful scientific insights and a whole heap of human compassion — a pretty rare combo (especially for tech apps), but one that really punches up your ability to reach your goals.

The idea of intermittent fasting has been floating around in your mind, but maybe fasting sounds daunting, and you're just not sure if it's for you. You probably have lots of questions like, Is it safe for me? We can answer that one right now. If you are pregnant, breastfeeding, or trying to conceive have type 1 diabetes are on prescription medications.