When was the last time you sighed? Probably not that long ago. We tend to think of sighing as something we do when we’re frustrated, tired, or relieved. But scientists have discovered that sighing plays a much deeper role in keeping your body functioning properly — and your brain actually has a built-in mechanism that triggers it. https://newsroom.ucla.edu/releases/ucla-and-stanford-researchers-pinpoint-origin-of-sighing-reflex-in-the-brain Some people naturally seem to expect things to work out, while others brace for disappointment. Is optimism simply a personality trait, or is it something you can learn? Psychologist Deepika Chopra — often called “The Optimism Doctor” and author of The Power of Real Optimism: A Practical, Science-Based Guide to Staying Resilient, Curious, and Open Even When Life Is Hard (https://amzn.to/4b9EG4S) — explains that real optimism isn’t about pretending everything is fine. It’s a mindset grounded in science that can improve resilience, decision making, health, and even longevity. Butter seems simple. It’s just butter… right? Not even close. The butter you buy at the grocery store hides a surprising amount of history, science, and culinary nuance — from why it’s shaped into sticks to why some butter is salted and some isn't. Anna Stockwell, New York–based recipe developer, food stylist, and author of The Butter Book ( https://amzn.to/47gj6u8), explains what actually makes butter different from one brand to another, when premium butter is worth it, and how understanding butter can dramatically improve the way you cook. Many people use mouthwash every day as part of their routine. It seems like a healthy habit. But there’s growing evidence that regular use of some mouthwashes may come with an unexpected downside — one that most people never consider. https://pmc.ncbi.nlm.nih.gov/articles/PMC7125030 PLEASE SUPPORT OUR SPONSORS POCKET HOSE: Text SYSK to 64000 for your two free gifts with the purchase of any Pocket Hose Ballistic hose! DUTCH: If your pet is still scratching and you’ve tried everything at the pet store –it’s time to stop guessing and go prescription.Support us and use code SYSK for $40 off your membership at https://Dutch.com RULA: Thousands of people are already using Rula to get affordable, high-quality therapy that’s actually covered by insurance. Visit https://Rula.com/sysk to get started. QUINCE: Don't keep settling for clothes that don't last! Go to ⁠⁠⁠⁠⁠⁠https://Quince.dom/sysk ⁠⁠⁠⁠⁠⁠for free shipping on your order and 365-day returns. Now available in Canada, too! SHOPIFY: See less carts go abandoned with Shopify and their Shop Pay button! Sign up for your $1 per month trail and start selling today at ⁠⁠⁠⁠⁠⁠⁠https://Shopify.com/sysk⁠⁠⁠⁠⁠⁠⁠ EXPEDITION UNKOWN: We love the Expedition Unknown podcast from Discovery! Listen wherever you get your podcasts. Learn more about your ad choices. Visit megaphone.fm/adchoices