While your fuller-figured friends may think your fast metabolism is a blessing, it doesn’t feel that way to you. You’d love to wear a mini and a fitted top without feeling self-conscious about your petite waist or thigh gap, but you haven’t discovered the trick to putting on pounds.

A Duke University study reveals how exposure to chemicals in house dust can make you fat by affecting your hormone production and increasing fat build up.

The never-ending fight against weight gain sometimes seems like a lost battle. One minute you're devastating the competition -- eating healthy and fighting off junk-food cravings. The next, you're back on the ropes, muttering to yourself, "I can't believe I ate the whole thing."

Getting fit takes time and effort — but where does one start? From always being prepared to doing one active thing per day, here are some tips and tricks that will help your journey.

Kickboxing does not help you gain weight, although it may help you gain some muscle. The calories burned in a kickboxing class won't help weight gain.

If you've started a running program, you may be surprised when higher numbers stare up at your from the scale a week into your workouts. But before you chuck your running shoes and throw in the towel, rest assured that it is common for beginning runners to gain weight.

Anorexia nervosa is a mental health condition characterized by a relentless drive for thinness, leading to extreme weight loss from excessive dieting and exercising, says the National Institute of Mental Health. Because anorexics become so underweight, they can develop serious health problems.

When you're trying to gain weight -- whether it's to avoid the health risks of being underweight or for aesthetic reasons -- your eating habits can make or break your results.

The National Cancer Institute (NCI) reports that most people have at least 10 moles, and some persons have as many as 40. Moles are usually circular or oval in shape and may be either flush with the skin or raised above the surrounding skin layers.

While people sometimes think of cardio as a good way to lose weight, this isn't necessarily always the case. Sometimes people stay at the same weight or even gain weight despite doing regular cardio workouts.

It can be discouraging to hop on the scale and discover your weight has gone up a pound or two in the course of a day. But rest assured, it isn't really possible to gain this much weight -- in the form of fat -- in a day.

Midsection weight gain is no longer just a right of passage experienced by the average adult during middle-age.