Aside from the discomfort of the initial side effects, metformin is only safe and effective for individuals who are overweight or obese and suffering from impaired insulin secretion.

Three months gives you a good amount of time to achieve your weight loss goals. Eat healthy and exercise regularly and you'll get results.

With so many high-calorie drink options out there, here are your best bets for low-calorie beverages to sip along with the health benefits of ones you can consume in moderation.

Not everyone has the willpower for huge, sweeping lifestyle changes. But the good news is that when it comes to diets, the most successful regimens often require only small changes to see big results. And it's often those who make these small alterations to their everyday routine that see more lasting results.

These healthy but fast weight-loss tips will help you slim down and tone up just in time for summer.

Got a few pounds to drop? While there’s an endless supply of weight-loss schemes to take a crack at, some are unrealistic, most don’t truly work in the long run and a handful can be downright dangerous. We’re committed to helping you find a solution.

Learn how Lee lost 135 pounds and dropped 6 sizes in eight months (and how he has kept the weight off for the past three years)!

If your teen expresses a desire to lose weight, encourage her to make healthy lifestyle changes so that she can maintain a healthy weight, rather than going on a strict diet.

Squats use the large muscles of your legs and butt to burn calories, but done on their own -- they don't burn a ton. Make them part of a comprehensive routine.

You've just lost weight, and you're left wondering where that part of you went. Fat burning is a complex chemical process that creates carbon dioxide and water, and, essentially, any fat you lose, you exhale away. A minor percentage of fat lost is in the form of water, through your urine, sweat, tears and feces.

At 46 years old, Ruth D. transformed her body by lifting weights and focusing on her fitness. She hits the gym four times a week.

The elliptical might just be the most used — and misused — piece of equipment at your gym. While the amount of calories you burn in any given elliptical workout depends on ramp height, resistance level and speed stride speed, you can burn usually burn about 270 to 400 calories in 30 minutes. And because your feet never leave the pedals, the elliptical provides a low-impact workout that is friendly to your joints and back, unlike a treadmill. But if your goal is to get your heart rate high, work up a sweat and keep off excess pounds but all you’re doing is a steady 20- or 30-minute workout, you’re missing out on the machine’s potential. “The elliptical is a powerhouse among cardio equipment because it allows you to use a large amount of muscle,” says Evan Johnson, a certified personal trainer in Storrs, CT.