Thin,' 'slim,' and 'skinny' are terms often used to describe body types, but they differ in connotation. Each term reflects ...

He fed the mice a high-fat, high-sugar diet for six weeks. All had a 27% increase in body fat. He then put the mice on a restricted-calorie diet, and gave calcium to two groups of them.

Rohit Roy shares the potential dangers of extreme dieting as he recalls his drastic weight loss. Here's what you need to know ...

Videos promoting the diet, known as a metabolism reset ... It's often said that skinny people have a fast metabolism, meaning they burn off their excess energy quickly, while heavier people ...

And a lot of big, fat cells makes for a big, fat person." Extra calcium in your diet suppresses this hormone, he says. Your body breaks down more fat, and fat cells become leaner, trimmer.

Meanwhile, people who were skinny not only had fewer genes linked ... the age-old advice of a healthy level of exercise and good diet still stands.

As she clicked and tapped, YouTube's "Up Next" panel of recommended videos started morphing from content featuring skinny girls to "how-tos" on losing weight. Diet and exercise videos began to ...