North Carolina construction worker Derek Barnett, 55, lost more than 70 pounds on a unique nutrition and fitness journey after being diagnosed with liver cancer.

As 2025 arrives, experts break down the trending diets, highlighting the science-backed winners, the cautious choices to consider and the fads that might not live up to the hype.

While it's a little easier to disguise unwanted pounds on your midsection or thighs, your face is out there for everyone to ...