Many people who diet and lose a significant amount of weight know the devastation of gaining most – or all of it – back within a short amount of time. This phenomenon is often referred to as the ...

New research challenges the myth that olive oil leads to weight gain—showing that quality of fat, not quantity, matters most for long-term weight control. Study: Changes in olive oil consumption and ...

Men eating ultra-processed foods gained more fat than those eating unprocessed meals, even with equal calories. Their hormone levels shifted in worrying ways, with testosterone falling and pollutants ...

The class of weight-loss drugs including semaglutide, sold as Wegovy, have become immensely popular new treatments for obesity. One key factor in their effectiveness is that people need to take them ...