Half a century of advancements in biomedical science paved the way for today's powerful weight-loss drugs like Ozempic -- so what was that journey like for the scientists involved?

Four key factors can greatly impact how much weight people lose while taking GLP-1 drugs like Ozempic, Wegovy, Victoza, and Saxenda. Here's what to know.

Kourtney Kardashian’s new “GLP-1 Daily” pill is the latest product to capitalize on the weight loss drug craze.

F ROM LOS ANGELES to London, weight-loss drugs such as Ozempic are reshaping culture as much as waistlines. Some Ozempic-takers have tiny appetites and dine at unusual hours to avoid spells of nausea.

In July, the U.S. Food and Drug Administration warned that people are overdosing on compounded semaglutide injectable products.

Many people are doing an end-run around their doctor's office, reaching out to potentially unreliable sources that promise to set them up with Wegovy, Zepbound and other weight-loss drugs.

"Weight loss medications are not one size fits all and patients should always discuss options with a trusted medical professional," one expert told Newsweek.