Quick follow-up on the diet soda thing, because I wrote about this study last week and I keep getting questions. Short version: researchers put diet soda head to head against plain water for weight loss, and the diet soda group did just as well. Same weight lost. No penalty for the can.

If you're new here, I drink diet soda. Have for years. My mom, who is an actual doctor, spent a decade gently suggesting I swap it for water and I mostly ignored her, and it turns out my stubbornness may have been accidentally fine all along. Weird feeling. Don't get used to it, Mom.

The logic people usually push is that artificial sweeteners mess with your metabolism or make you hungrier, so drinking them somehow sabotages weight loss even with zero calories. This study didn't find that. People who drank diet beverages as part of their plan dropped the same weight as the folks chugging water, which is about the best outcome you can hope for if you like a fizzy zero-calorie drink with lunch.

Now the usual caveats, because I'm not going to pretend one study settles anything. My mom's phrase for this is "context of total dietary pattern," which is doctor for: what matters is everything else on your plate, not one drink. Diet soda isn't a health food. It's also not the villain it's been made out to be. It's a neutral swap that makes eating fewer calories slightly easier for a lot of people, and that's a real win if the alternative is a 200-calorie regular soda every afternoon.

And no, this doesn't mean drink six a day. Water still does things soda can't, like actually hydrating you without caffeine and being free from a tap. But if you've been guilt-tripping yourself over a Diet Coke while trying to lose weight, you can drop that guilt today. It wasn't doing anything useful.

The write-up still lacks some methodology detail, so I'll circle back if the full paper surfaces. For now: your afternoon can of whatever-zero-calorie-thing-you-like stays. Mine does too.