Picture the longest, most hardworking nerve in your body, running from your brain stem all the way down to your gut. This highway with a ton of nerve is called your vagus nerve - the superhero of your "rest and digest" system. It's like your body's built-in meditation guru, helping you stay cool when hormones are heating you up.

Ever feel like your brain could use a bit of recalibration -especially in midlife, when memory blips, mental fatigue, and shifting hormones start to cause havoc? The good news: boosting your cognitive edge might be simpler than you think. From using your non-dominant hand to strategic movement, nutrient-rich foods, and meaningful connections, these science-backed strategies can help keep your mind sharp and agile- no tech gadgets or miracle cures required.