Are you looking for motivation in your personal quest for better health and fitness? Find inspiration in these LIVESTRONG.com members' weight-loss success stories -- complete with stunning BEFORE and AFTER photos!

Brittany D. lost 70 pounds, went down 14 sizes and experienced a physical and mental transformation.

Learn how Lisa D. gave up fad diets and completely overhauled her unhealthy lifestyle, losing 42 pounds in the process.

The reason you aren't losing weight may have do with the bacteria found in your poop, according to a new study.

More people are turning to wearable technology to help them track every aspect of lifestyle and health. Now, researchers have taken wearable technology to the next level with a miniaturized food-tracking sensor that can be adhered directly to the surface of a tooth.

Considering doing a Mediterranean diet for the health and weight-loss benefits? Here's how the diet plan works and suggestions for trying it for 28 days.

Stepping on the scale and weighing yourself may be the key to weight loss, according to a new study.

You can crunch, twist and plank your core every day and never achieve a six pack if you don't change your diet. For all your hard work to show, you must reduce your body fat.

The all-meat, or carnivore diet, is the latest craze to hit the internet. But is it healthy? We break this controversial diet down with the help of an expert.

Kristina A. lost 45 pounds by identifying her goals, tracking calories and holding herself accountable.

When you’re hungry and in a rush, a bagel, protein bar or handful of cereal might be convenient, but it's a short-term fix.

Learn how Michelle M. flipped the script during her Freshman year of college and lost 40 pounds (instead of gaining the typical Freshman 15).