We thought diet soda was safe. But new research links daily consumption to higher stroke and dementia risk. Here's what you ...

New research links daily diet sodas and artificially sweetened drinks to nearly 3x higher risk of stroke and dementia, urging caution in daily choices.

The idea that diet sodas can help you lose weight is becoming increasingly complicated as emerging research suggests they may confuse the brain—and trigger an urge to eat.

"Diet cola drinkers in the U.S. told us they wanted aspartame-free Diet Pepsi and we're delivering," Seth Kaufman, SVP Pepsi and Flavors Portfolio, PepsiCo North America Beverages, said in a release.

The new Diet Pepsi is having a rough debut since PepsiCo Inc. replaced the artificial sweetener aspartame with less-controversial sucralose in a bid to reverse plunging industrywide diet-soda sales.

I admit it: I drink a Diet Pepsi just about every day. I love the stuff — with a meal, after a long run or when I'm just really thirsty. It's not the caffeine. For that, I reach for coffee.

With The Coca-Cola Co. (NYSE KO)  and Purchase-headquartered PepsiCo (PEP: NASDAQ) each set to launch pure cane sugar colas for mass American consumption this fall, the question arises:   What will ...

Pepsi MAX will be re-introduced to U.S. consumers in fall 2016 as Pepsi Zero Sugar and will contain aspartame. Diet Pepsi Classic Sweetener Blend will contain aspartame in its formula.