The worst time to exercise for a good night's sleep
That's the takeaway from a new study of almost 15,000 active men and women. It found that exercising within about four hours of bedtime makes it harder to fall asleep and reduces how long you spend slumbering by as much as 43 minutes.
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China brain tech rivals Musk's Neuralink
CNN gains rare access to a brain research lab in Beijing, where scientists are working to improve brain technology. Western experts say that while breakthroughs have traditionally been led in the US, China has the edge on commercializing these technologies. CNN's Kristie Lu Stout reports.
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A Dermatologist Is Begging People To Wash This 'Often Neglected' Body Part
A Dermatologist Is Begging People To Wash This 'Often Neglected' Body Part originally appeared on Parade. For some people, showering and bathing isn't just a way to get clean; it's a form of self-care (you've heard of the "everything shower," right?). Their shelves are stocked with a variety of luscious-smelling products, and they'll splurge for the expensive shampoo. Other people are quick with their rinses, seeing washing off as a basic necessity or chore; they're in and all different, and we all have different approaches to getting clean. Regardless of what type of bath or shower you choose or when you prefer to rinse off—there's a bit of a divide between those of us who like to shower in the mornings, and those who prefer the nighttime—there's a good chance that you're forgetting to wash one specific body part, and it can lead to some pretty gross health problems. 🩺SIGN UP for tips to stay healthy & fit with the top moves, clean eats, health trends & more delivered right to your inbox twice a week💊 A Dermatologist Is Begging People To Wash This 'Often Neglected' Body Part When was the last time you made a conscious effort to wash your belly button? If you can't remember, that's a problem. 'Belly buttons, even outies but especially innies, are the perfect breeding ground for bacteria. It's dark, damp and often neglected when cleaning,' says Dr. Geeta Yadav, MD, a board-certified dermatologist and founder of FACET Dermatology. Dr. Yadav explains that sweat, dead skin cells, sebum, dirt and debris (like fuzz from clothing) build up in the belly button, giving bacteria plenty of food to thrive. She says that not only can this cause the belly button to develop a foul odor, but it can also cause infections. Related: One scientific study found 67 different types of bacteria on the belly buttons of the study participants. Where does it all come from? 'Bacteria is everywhere!' Dr. Yadav says. 'There are 'good' and 'bad' bacteria on our skin at all times, and other factors—like swimming in the ocean, working out at a gym, rewearing dirty clothes or sleeping in used sheets—can introduce new bacteria.'Another scientific study found that the more bacteria a belly button has, the stronger the odor is. PSA: A clean belly button doesn't have a smell. In the most extreme cases of neglect, Dr. Yadav says that umboliths (also spelled 'omphaloliths'), or naval stones, can develop. 'Umboliths are masses made up of sebum, dead skin, hair and other debris that become hard and compacted, similar to an old blackhead. They are not common, but are most likely to form in individuals with very deep 'innie' belly buttons,' she The Best Way To Keep Your Belly Button Clean Who knew the humble belly button could get so disgusting, right? Knowing what can happen, chances are you're going to be paying it proper attention from now on. 'Every time you bathe, you should be thoroughly cleaning your belly button with body wash,' Dr. Yadav says. She says that, typically, using your finger to clean it is adequate (as long as your finger fits in there), explaining, 'Just swirl your finger around inside with body wash, then rinse thoroughly. If you want to be more thorough, you can use a washcloth." Related: In terms of what type of cleaning products are best for washing your belly button, Dr. Yadav shares that body wash and your finger are typically all the cleaning tools you need. 'You can also use a liquid chemical exfoliant on a cotton swab if you're concerned about odor and buildup,' she adds. But if you have good hygiene habits, she says that washing your belly button when you wash the rest of your body is enough. With all this in mind, you should be washing your belly button every time you bathe or shower. That way, you can rest assured there won't be any weird smells coming from it or anything sinister hiding out there that shouldn't be there. It only takes a few seconds to properly clean the belly button, but it's a crucial few seconds. Give your belly button some undivided attention. That way, it stays healthy and clean. Up Next: Sources: Dr. Geeta Yadav, MD, board-certified dermatologist and founder of FACET Dermatology A Jungle In There: Bacteria in Belly Buttons Is Highly Diverse, but One. 2012 Microbiota in Umbilical Dirt and Its Relationship with Odor. Microbes and Environments. 2023 Omphalolith: An underdiagnosed entity. Clinical Case Reports. 2022 A Dermatologist Is Begging People To Wash This 'Often Neglected' Body Part first appeared on Parade on Jul 20, 2025 This story was originally reported by Parade on Jul 20, 2025, where it first appeared.
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Upgrade to the Samsung Galaxy Watch 8 and Nab a $50 Amazon Gift Card Preorder Bonus
If you're serious about your fitness, sleep habits and overall convenience, investing in a smartwatch can be a smart move. Samsung makes some of the best Android smartwatches out there, and the latest Galaxy Watch 8 doesn't fall short. This one is a serious upgrade from the previous generation models, and right now, you can snag one for less. Amazon is currently offering a limited-time preorder bundle that includes the Galaxy Watch 8 (40mm) and a $50 Amazon gift card for $350, that's the same price as just the watch itself at Samsung -- which means the $50 gift card is essentially thrown in for free. The watch officially releases on July 25, and this deal is valid through July 24. If you've been planning to upgrade, now's the time to lock it in. Samsung Galaxy Watch 8 bundle: $350 (Bonus $50 gift card included) See at Amazon The Samsung Galaxy Watch 8 goes beyond the basics and recently earned a CNET review score of 8.2/10. It impressed our editors with a handful of standout features, including the Antioxidant Index, which checks the carotene levels (a type of antioxidant) in your skin with just a press of your thumb on the sensor, and Vascular Load, which measures strain on your heart while you're asleep. Hey, did you know? CNET Deals texts are free, easy and save you money. You'll also get a built-in Running Coach that can analyze your performance and give real-time feedback to help you train better. And if you're someone who takes sleep seriously, you will appreciate upgraded sleep coaching and bedtime guidance. These features recommend an ideal bedtime window after monitoring your circadian rhythm and sleep pressure for three days. Even better, the watch offers a new, slimmer and more lightweight cushion design that still keeps that classic minimalist look. There's a lot to like about this upgrade, but just make sure you grab the preorder bundle in time to get the best value. Why this deal matters Smartwatches, especially those with such advanced features, don't come cheap. This deal gives you both the latest smartwatch and an additional $50 Amazon gift card, which you can use for anything else.
