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Daily Edition • Thursday, April 30

A Water Bottle Might Be the Most Underrated Stress Tool

A woman in activewear sits on a ledge, drinking from a water bottle with a scenic view of hills and ocean behind her.

Fellipe Ditadi/Unsplash

You Should Know: Here's a new stress tip you probably have not heard before, and it has nothing to do with breath work or journaling. A recent study in the Journal of Applied Physiology found that how much fluid you drink may influence how your body responds at the hormonal level.

The Study: Researchers recruited 32 healthy adults aged 18 to 35 and divided them into two groups based on fluid intake. After monitoring them for a week, all of them completed the Trier Social Stress Test. They discovered that the low-hydration group had significantly greater cortisol spikes. And they reported no increased thirst, despite urine markers confirming dehydration.

The Takeaway: The researchers surmise that under-hydrated people may be walking around with a stress system that's primed to overreact. That's because vasopressin, a hormone that holds onto water when you are running low, also activates the pathway triggering cortisol.

Keep in Mind: This study was small and covered only a limited age range, so the results may not reflect the experiences of everyone. But there's no harm in aiming for two liters of fluid a day to help lower your stress levels.

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The Overlooked Nutrient that Can Help with Bloating

Coconut water cartons in a fridge surrounded by fresh fruits and vegetables, with a woman's hand reaching for one.

Courtesy: Vita Coco

Potassium may not be the trendiest nutrient on your feed, but it deserves more attention — especially if you often feel bloated. This essential mineral helps regulate fluid balance, nerve signals, and muscle function. Plus, it’s a key electrolyte your body uses to stay hydrated.

Bananas, avocados, sweet potatoes, spinach, and coconut water are great for boosting your levels. Vita Coco coconut water is a convenient, hassle-free way to increase your potassium intake. Each 8-ounce serving contains 470mg of potassium, making it an easy way to increase electrolyte intake while hydrating. Adding it to your daily routine is a simple way to reduce bloating and stay balanced.

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Health Tech

Your Doctor Wants to See Your Wearable Data — Here's How to Share It

A healthcare professional in a white lab coat holds a tablet, displaying vibrant green nails. A person in blue scrubs is partially visible.

Nappy/Unsplash

Beyond the Office Visit: If you've been gathering heart rate, sleep, HRV, and recovery data for months, it may be able to help at your next doctor’s appointment.

The Background: The American Academy of Neurology recently issued informal guidance, covered by NPR, on using data from an Oura Ring, Fitbit, Garmin, Whoop, or Apple Watch in clinical conversations. Bringing trends to your doctor's visits can give a physician context they wouldn't normally get in a short appointment, and may flag patterns like cardiac arrhythmias that warrant a closer look. They aren't diagnostic tools and can produce falsely alarming (or reassuring) readings, so the goal is mainly a sharper conversation with better follow-up questions.

How to Do It: The AAN's new guidance is to report patterns, so pull a multi-week summary before your next appointment. Compare what's changed (sleep dropping, resting heart rate increasing, etc.) to what's been going on in your life — a flu, a stressful transition, new workouts, a medication shift, etc. Then ask your doctor a question and have the data to back it up if they need it. But don’t present a 10-page document at your 30-minute appointment; your doctor’s time is short, so summaries are better.

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Mindfulness

Is Chronic Stress Behind the Rise of Shingles in Younger Adults?

A young woman in a yellow shirt sits pensively among green foliage and yellow flowers, with a thoughtful expression.

Midjourney

The Trend: Consider this a kind of medical Freaky Friday — but one sided, and not featuring Lindsay Lohan (at least to our knowledge): more young people are getting shingles. The virus has a reputation for being an older person’s illness — and while most shingles cases are in adults over 50, cases in people in their 30s and 40s have been on the rise in recent years.

What People Are Saying: After we get chickenpox, the varicella virus stays dormant in our nerves for decades (though not everyone who’s had chickenpox will get shingles). A shingles outbreak happens when that virus gets “reawakened” and travels along a nerve pathway until it emerges as a painful rash in a (usually) small area of skin. There are many reasons why this happens, but the common denominator is a weakened immune system. Among younger adults, the top factor causing this is stress — and prolonged daily stress is increasingly prevalent.

What to Know: Chronic stress makes us susceptible to shingles by keeping the body in a suspended “fight or flight” state, taxing the immune system. When we’re stressed all the time, levels of the stress hormone cortisol stay high and cause inflammation. High cortisol messes with sleep, too, which also weakens immune defenses.

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Quick Picks

Cut and Paste — See why artists say this rewires your thinking.

Leaves a Bad Taste — This chocolate brand recalled 13 products for salmonella concerns.

From the Lab — This is the only home wellness device with this much peer-reviewed research.*

Sacred Cow — Could eating this dairy product reduce your dementia risk?

Keep It Clean — Here are 5 tips to choose the right protein powder.

^*Indicates a brand partnership

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This, Not That

Flavor Without the Flood

Two glasses of refreshing lemon-lime drinks with ice, garnished with slices of lemon and lime, on a light surface.

THIS

Colorful assortment of beverage bottles, including blue and red drinks, on a shelf with visible nutrition labels.

NOT THAT

Getty/Unsplash, Shayna Douglas/Unsplash

This: Sparkling Water + Citrus
Not That: Sports Drinks

Sports drinks are useful during intense endurance exercise — but most daily hydration doesn’t need the sugar load. Sparkling water with lemon, lime, or orange slices offers flavor and fizz without the extra calories. Save the sports drinks for long workouts in the heat.

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What We're Cooking

Cheesy Grits With Spring Vegetables

Creamy dish with poached egg, asparagus, and green beans, garnished with herbs and herbs on a white plate.

Courtesy: Serious Eats

Serves: 4 | Cook Time: 1 hour 20 minutes

Spring brings beautiful, fresh vegetables like asparagus, fava beans, and snap peas — but sometimes you need something a little more hearty and comforting than a classic spring salad. Creamy, cheesy grits pair perfectly with these light spring vegetables, along with earthy morel mushrooms for an extra punch of umami. Fresh herbs and a squeeze of lemon brighten everything up, and a poached egg on top adds a protein boost and ties the whole dish together.

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Coconut Water for Digestion and Gut Support

Potassium supports digestion by helping muscles contract properly to keep your system running smoothly. Pairing potassium-rich foods with the hydrating power of coconut water gives your gut the support it needs for regularity. Vita Coco Coconut Water contains about 470 mg of potassium per 8-ounce serving, making it one of the easiest ways to support your digestion, gut, and overall wellbeing.

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HEALTHY HABIT

Cook One Thing From Scratch

Once this week, cook a single element of a meal from scratch — even something tiny like rice, beans, or roasted vegetables. Cooking builds familiarity with ingredients and tends to improve diet quality over time. It doesn’t need to be elaborate to count.

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Final Thought

Clear water surface with light reflections creating a rippling pattern.

At some point in life the world's beauty becomes enough. You don't need to photograph, paint or even remember it. It is enough.”

– Toni Morrison, Tar Baby

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