Tennis star Serena Williams' candor about her GLP-1 use may help dispel the pesky health inaccuracy that weight loss is a simple matter of exercise.

Serena Williams showed off her slim figure in a bold swimsuit after revealing she’s been using a weight-loss medication. The athlete, 43, sported a bright yellow one-piece as she posed for a series of snaps Thursday. “melanin mellow-yellow ,” she captioned the Instagram carousel — and fans were quick to hype her up in the comments.

Serena Williams has opened up to the public about what’s helped her feel stronger, healthier, and - most importantly - herself again, since giving birth. The 43-year-old American tennis icon has revealed that she’s been using a GLP-1 medication ...