Twin brothers conducted a three-month high-carb vs. high-fat diet experiment. One gained more muscle but felt fatigued, while ...

The experiment went like this ... To Lowry's surprise, there was no difference in weight gain between the junk food group that got injections of good bacteria and the healthy eaters, "suggests ...

Scientists have created a vaccine that helps the body resist gaining fat. This new weekly injection works by reducing harmful inflammation, which can lead to weight gain.

"What we're trying to figure out is, very specifically, what is it about ultra-processed foods that seems to drive over-consumption and weight gain?" metabolism researcher Kevin Hall recently told ...

For the experiment, Chris increased his usual intake ... weeks and moved from a healthy weight to overweight. “If the weight gain continued at that rate for six months, I would have gained ...