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Our 5-minute wellness digest helps over 1.1 million readers cut through the noise with science-backed health insights, practical tips, and recommendations for living well.

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For Brain Health, These Two Types of Exercise May Matter Most

Brain Game: We know that exercise is good for both the brain and body. When it comes to brain health over the lifespan, the latest research gets a bit more granular, suggesting that different types of training may trigger different biological pathways involved in brain health. The Study: A new review in Frontiers in Sports and Active Living examined research on how exercise affects the brain across the lifespan, with particular attention to two molecules: BDNF, which supports neuronal health, learning, and memory, and IGF-1, which is involved in brain maintenance and repair. The review found that aerobic exercise had the strongest connection with BDNF, with research pointing to challenging cardio — roughly 65% or more of maximum effort, two to three times weekly, for at least 40 minutes — as a particularly strong stimulus. Resistance training, meanwhile, appeared to influence IGF-1, with frequency seeming to matter more than workout intensity or duration. Takeaway: To support brain health over the course of your life, don’t succumb to “cardio versus weights.” Instead, try to make room for both. Keep in Mind: This was a narrative review combining studies of different designs, including animal research. The molecular pathways are promising, but they […]

Getting Fit Before Surgery Could Mean Fewer Complications After

Exercise Is Medicine: Exercise offers countless perks, and most of us exercise to feel good and, of course, to look good. But new research points to yet another benefit beyond general health and fitness: how well your body handles surgery. This finding is important, since about two in three will need a major operation someday. Getting fit before surgery even has a name now: prehabilitation, or prehab. The Study: Researchers pooled 42 studies of 4,825 adults who did aerobic exercise before major surgery. Patients in 30 studies trained under supervision at a hospital or exercise facility, and those in the other 12 mostly worked out at home without medical supervision. Supervised exercise was linked to about 40% lower odds of complications after surgery. When supervised exercise included high-intensity workouts, the association strengthened.  The Takeaway: Exercising before surgery may help your body cope, especially when a pro is guiding your workouts, perhaps even more so if you do intense supervised exercise.  Keep in Mind: No study compared supervised and home workouts directly, and supervised programs were usually more intense, so supervision itself may not be the secret ingredient. Either way, it appears that a fitter body handles surgery better.

Woman performing a glute bridge on a mat at home, one of six core exercises for back pain that support the spine

Core Exercises That Help Protect Your Back

Crunches aren't enough to protect your spine. Learn the difference between your core and your abs, and discover six core stabilization exercises, including the curl-up, side plank, bird dog, dead bug, glute bridge, and prone plank, that build endurance, control, and stability to lower your risk of back injury.

Why Runners Are Drinking — and Spitting Out — Their Carbs

The Trend: Fall marathon season has begun, with a few of the biggest in the country happening in October and November. Rather than sucking down a gel, you might see marathoners and other athletes skipping actual food and drinking — and spitting out — a liquid carb solution instead.  What People Are Saying: Usually toward the end of a game or long race, athletes take a swig, swish it around like mouthwash, then spit it out. This is called carb rinsing, and by activating the brain through nerves in the mouth, it “tricks” the body into feeling like it has more energy. Carb rinsing can be done with an energy drink or a solution containing carbohydrates like maltodextrin, an easily digestible carb made from starch. Some rinses also contain caffeine or menthol. What to Know: Studies have found that carb rinsing can provide a small, quick performance boost, particularly during longer or more intense exercise. A carb rinse is probably not necessary if you’re on a short morning jog, but it’s generally safe to try during a race if you feel like you need an energy boost — just make sure you don’t accidentally spit on your competition when you’re doing […]

a woman eating a snack at her desk with a laptop, mug, and plant, representing healthy snacks for work

12 Healthy Snacks for Work That Actually Keep You Full

Skip the vending machine at 3 p.m. These 12 healthy snacks for work pair protein and fiber to keep you full, and most are easy to portion and keep at your desk.

The Overlooked Berry That Could Be Good for Your Gut

Berry Berry Good: When it comes to berries, strawberries, blueberries, and raspberries get the most attention. But new research points to the health benefits of mulberries—specifically, how the compounds in them can help the gut microbiome to support intestinal health and metabolism. The Study: Researchers from Wroclaw Medical University in Poland conducted a narrative review of past animal and in vitro studies examining the active plant compounds in mulberry fruit and leaves. Most research has been done on white mulberries, but black ones also had notable, though different, results. The compound DNJ in mulberry leaves supports carbohydrate metabolism. Black mulberry fruit is rich in anthocyanins, which are powerful antioxidants and anti-inflammatories. Beneficial bacteria increased from the fermentation of mulberries in the guts of mice. The Takeaway: The effect on the gut microbiome and metabolism was largely dependent on the variety of mulberry and how it was prepared. Fruit from the same plant behaved differently depending on how it was extracted and dried. Dual compounds produced stronger benefits, such as in mice when polyphenols and polysaccharides from white mulberries were combined. Keep In Mind: The review included data from in vitro and animal studies, but the findings haven’t been confirmed in […]

“Functional” Drinks Promise More Than Just Hydration

The Trend: Years ago, a wellness drink meant a shot of wheatgrass in a funky juice bar. Now, “functional” shots are one of the biggest beverage trends around — and it’s a market that’s expected to grow from $6.6 billion in 2026 to $19 billion by 2033. Functional beverages promise benefits beyond basic nutrition, from helping you focus to boosting your mood. And these shot versions are marketed as convenient, single-dose alternatives pills or powders. What People Are Saying: Functional drinks have become more popular as more people look for alternatives to alcohol, soda, and energy drinks. Many contain adaptogenic and nootropic ingredients including L-theanine, ashwagandha, and lion’s mane, which are marketed for benefits including focus and relaxation. Others contain vitamins, minerals, CBD, probiotics, and more to improve sleep, energy, immunity — you name it. What to Know: Even though they’re marketed as being healthy, functional drinks might not be right for everyone. Like supplements, some functional drinks contain ingredients that aren’t closely regulated. Herbal ingredients can interfere with medications, and excessive amounts of certain vitamins and minerals can cause side effects.

Fermented Foods Keep Working Even After the Bacteria Stops

Gut Feeling: Kimchi and yogurt are known as gut-friendly foods because they contain probiotics. But a new review from Saudi Arabia suggests those live cultures may be getting too much credit, and that the compounds the bacteria leave behind are what’s really beneficial. The Study: In this narrative review published in Frontiers in Nutrition, a researcher examined more than two decades of studies on fermented foods and metabolic health. As microbes ferment food, they break it down into new substances called postbiotics (short-chain fatty acids that help strengthen the gut lining). These compounds stay biologically active even after the microbes that made them have died. The Takeaway: This means foods like pasteurized sauerkraut can still do you some good. And eating a variety of fermented foods across categories (think everything from kefir to miso) gives you a wider range of these compounds. Pairing them with fiber-rich plants will get you bonus points, since your gut bacteria feed off the roughage. Keep in Mind: Some of the most dramatic results come from animal studies, which don’t always hold up in people. How much you benefit may also depend on the bacteria already in your gut.

Too Little Sleep, and Too Much, Increases Disease Risk

The Goldilocks Zone: When it comes to sleep, getting by on as little as possible isn’t ideal — but apparently, neither is getting too much. New research suggests there may be a middle ground where sleep and healthy aging intersect. The Study: Researchers analyzed sleep data from nearly 500,000 UK Biobank participants ages 37 to 84, comparing self-reported sleep duration with 23 biological aging “clocks” based on brain imaging, blood proteins, and metabolites. Across nine brain and body systems, they found a U-shaped relationship: biological age gaps were smallest among people sleeping roughly 6.4 to 7.8 hours, with men’s optimal range being about one-tenth of an hour shorter than women’s. For both sexes, sleeping less than 6 hours or more than 8 hours was associated with larger biological age gaps and higher risks of several diseases and mortality. Takeaway: This is a lesson in “more isn’t always better.” For most adults, consistently getting around seven to eight hours remains a sensible target. Keep in Mind: This was an observational study, and sleep duration was self-reported. The findings show associations, not proof that sleeping a particular number of hours will slow aging. Individual sleep needs also vary.

Grounding Sheets Promise Better Sleep. But Does the Science Hold Up?

The Trend: Walking barefoot through the grass has a whole wellness theory behind it — and now it’s coming to your bed. Grounding, a trend first popularized by celebrities like Gwyneth Paltrow, is the idea that your body soaks up negatively charged electrons from the Earth, which some say calms inflammation and improves sleep. Now, grounding sheets — woven with materials like silver or carbon thread and connected to an outlet — are bringing that belief indoors. What People Are Saying: Fans swear by grounding sheets for helping them experience deeper rest and fewer aches and pains. But research remains thin, and the few studies completed are small and funded by companies that sell grounding products. Plus, the human body already holds about 10 octillion electrons, so the few you’d pick up from a sheet are unlikely to make much of a difference. What to Know: Science doesn’t back the electron theory, and the original version of grounding still costs nothing. So instead of buying fancy sheets, perhaps kick off your shoes and touch grass for real.

A man lies awake in bed scrolling on his phone late at night, a common pattern in ADHD and sleep problems.

ADHD and Sleep: Why Your Body Clock Might Be the Real Problem

Poor sleep is often written off as an ADHD side effect, but new research points to a circadian rhythm mismatch. Here's what the evidence says about ADHD and sleep, screen timing, and how light exposure may help reset your body clock.

Can’t Turn Off Your Brain? Try This Sleep Trick

Wind Down: You finally crawl into bed at the end of the night, but of course your brain decides it’s the perfect moment to replay every awkward thing you said over the past week. Fortunately, yoga nidra is gaining traction as a sleep aid for insomnia. In a new study from India, people who practiced this specific type of guided body scan fell asleep faster and slept longer. How to Do It: Also called “yogic sleep,” yoga nidra is a guided meditation you do lying on your back while a voice slowly turns your attention to different parts of your body as you follow your breath. All you have to do is search for something like “yoga nidra for sleep” on YouTube and follow along. Selecting a 10-minute recording is a good place to start, and falling asleep partway through is totally fine. The Benefits: Compared with a group that got standard sleep hygiene advice, the yoga nidra group in the study slept roughly an hour longer each night and spent less time lying awake after dozing off. Everyone in the study had heart disease, but an earlier study of people with chronic insomnia found that yoga nidra helped them […]

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