Garmin Launches $170 Health-Tracking Arm Band for Wear During Sleep
The company's $170 Index Sleep Monitor — a first for the fitness devices maker — is worn on the upper arm like a blood-pressure cuff and tracks blood oxygen saturation, heart rate variability, respiration rates, breathing patterns and skin temperature. It also provides sleep metrics like hours slept and data on different stages of sleep.
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Scientists Reveal What Happens to Your Body When You Drink Coffee Every Day
A new study linked daily coffee consumption to a potentially longer life. We asked experts to explain how the morning delicacy can have such an impact. There are a few catches. The ritual of brewing and sipping fresh coffee each morning is one many of us look forward to, and a new study's findings may give you the push to pour another cup. Researchers connected coffee consumption to mortality among a large population of participants and found that coffee may actually help you live longer, with a few caveats. Meet the Experts: David Perlmutter, M.D., a neurologist and fellow of the American College of Nutrition and Michelle Routhenstein, M.S., R.D., a cardiology dietitian at Entirely Nourished. Keep reading to learn more about how your daily cup of joe may offer you more than a jolt of energy and happiness. Researchers tracked the self-reported coffee drinking habits of over 46,000 U.S. adults for nearly a decade. Participants disclosed how they drank their java. Regular or decaf? With sugar and milk or without? If with, how much? They then compared that information to National Death Index data to deduce how coffee consumption could have impacted mortality from all causes, including cancer and heart disease. After examining the data, researchers found that drinking one to three cups of coffee per day was linked to a reduced risk of death from all causes, 'especially when the coffee is black or has minimal added sugar and saturated fat,' explains David Perlmutter, M.D., a neurologist and fellow of the American College of Nutrition. Specifically, they found that drinking black coffee or coffee with less than 2.5 grams (or a little more than a half-teaspoon) of sugar and less than a gram of saturated fat from milk or cream per 8-ounce cup was associated with a 14% lower risk of dying from any cause compared to not drinking coffee at all, Dr. Perlmutter adds. The catch here is, the study also found that most Americans add around 3.2 grams of sugar and a half-gram of saturated fat to each mug, which means the majority of coffee drinkers are less likely to get its life-extending benefits. 'This is the problem with so many coffee specialty drinks that seem to be so popular,' Dr. Perlmutter says. There is plenty of existing research that purports coffee's health boost. Without added sugar or fat, it's a naturally good source of antioxidants like polyphenols and chlorogenic acid, explains Dr. Purlmutter. 'These components and others help fight inflammation and oxidative stress,' he adds, both of which are contributors to chronic disease. That's how coffee may help reduce risk of type 2 diabetes, cardiovascular disease, and congnitive decline, 'all of which influence lifespan,' he concludes. Coffee's caffeine content can even exhibit perks by improving alertness, metabolism, and brain health, Dr. Pelrmutter says. However, there is such a thing as overdoing it and reaping negative side-effects such as anxiety, increased blood pressure, heart palpitations, digestive issues, and insomnia, says Michelle Routhenstein, M.S., R.D., a cardiology dietitian at Entirely Nourished. She adds that a 'very high coffee intake may also slightly reduce calcium absorption, potentially affecting bone health.' The study supports drinking one to three cups of black or minimally altered coffee per day. Dr. Perlmutter recommends keeping sugars below 2.5 grams and saturated fats below 1 gram per cup by using low-fat milk or plant-based creamer alternatives. Routhenstein adds that if you are pregnant or breastfeeding, or have otherwise been prescribed a specific caffeine intake, follow your doctor's recommendations. Lastly, to avoid over-caffeination, Dr. Perlmutter suggests enforcing a 'coffee curfew' that marks the time of day after which you turn off the pot. 'I generally recommend 2 p.m. to minimize coffee's impact on sleep,' he concludes. You Might Also Like Can Apple Cider Vinegar Lead to Weight Loss? Bobbi Brown Shares Her Top Face-Transforming Makeup Tips for Women Over 50
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Amazon is selling a $900 laptop for $300, and shoppers say it's 'fast, reliable, and sleek'
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41 minutes ago
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You Asked: Large OLED vs. Huge QLED? Biggest QD-OLED TVs?
On today's episode of You Asked: Is there ever a reason to not get the best OLED panel available? How much of an upgrade is the LG G5 over the G2? And is a 77-inch OLED enough, or do you need to go even bigger? Always buy the best OLED panel tech? @Kami84 says: You'd be a fool to buy anything other than QD-OLED or the new Tandem RGB OLED from LG due to the superior colors. Why buy old W-OLED technology when there's way better tech available, unless it's really cheap? Hey, I hear you loud and clear. As someone who's into cameras, I debate the same things. Why not go for what's future proof? But there are a number of reasons when it comes to TVs. One — and you touched on this — is price. At 65 inches, a lot of QD-OLED panels cost more than some people want to spend, especially if you're looking at the latest and greatest from Sony, LG, and Samsung. The Sony Bravia 8 Mark 2: $4,000 The Samsung S95F: $3,300 LG's G5: $3,400. Obviously, they can be a little less than that if they're on sale, but the point is, that's quite a bit of money for a lot of people. Even Sony's 2023 model, the Sony A95L, which has been on sale for a while, is still $2,900. Then there's size, which, believe it or not, gets overlooked. Once you go up from 55 or 65 inches, things get really expensive — easily north of four grand. Also, a number of TVs' best panels aren't offered in every size. Sony's QD-OLEDs are only sold up to a certain size. You can't get the Bravia 8 Mark 2 above 65 inches. The A95L only goes up to 77 inches. The same goes for Samsung. Their S95F and S90F only have the QD-OLED panels at 55, 65, or 77 inches. So if you wanted anything larger than that, guess what? W-OLED is the only option you've got — unless you go to LG. You can get their G5 at 83 inches with its Tandem RGB OLED panel for $6,500. See where I'm going here? If the 'lesser' OLED models weren't selling, they wouldn't be manufactured. There's clearly a market for them. LG's done really well in this department, offering the more budget-friendly B-series, the brighter but still mostly affordable C-series, and the high-end G-series with their best tech. Plus, if you're not looking at a W-OLED TV side-by-side with one of the better panels you mentioned, I'd argue that 99 percent of people — probably anyone but TV reviewers and hardcore enthusiasts — would say, 'That's a great looking TV.' I'd love to sit here and tell you that I'm filming this in 8K on a $6,500 Sony A1 flagship camera, but I'm not. It's 4K on an A7IV that costs about a third of the price. And we're doing OK. LG G2 vs G5: Is It a Big Upgrade? @luisd7636 asks: I have an LG G2. I wonder how much of an improvement the LG G5 would be. I haven't seen it on display yet. Luis, the difference between the G2 from 2022 and the LG G5 is significant. To start, LG's upscaling and processing has come a long way. Even with our review of the G4, we noted how close it was to catching up to Sony in that department. The G5 and its new Tandem RGB OLED panel mentioned in the last question raise it to another level in terms of brightness and color vibrance. Usually, you don't see a huge difference from one year to the next, but it is visible when you put the G4 next to the G5. And considering how much brighter that G4 is compared to its predecessors, I think you'd see the upgrade right away. All that to say, the G5 is a big step up. If you're interested, it's worth going to check one out locally if you can. Size Limitations of QD-OLED Panels @balajiraokj asks: My mind is set for Sony, but still debating others. Let me know what is best for an 85-inch QD-OLED TV. Well, I hate to burst your bubble, but if you were paying attention earlier, the largest QD-OLED TV available right now is 77 inches. You have a few options between Sony and Samsung. If you're leaning toward Sony, check out the A95L. If you want to go with an OLED bigger than 77 inches, you could go with LG's 83-inch G5, which has their new Tandem RGB panel. That's some of the best OLED color goodness you'll get at that size, and it'll cost you $6,500 at full price. For a little less, if you don't mind W-OLED, the 83-inch LG C5 will save you about $1,000, maybe more. So ask yourself what means more: a few more inches in size, or having the brightest, most colorful panel. For what it's worth, I think most OLEDs, especially the ones mentioned in this segment, are going to look outstanding in an 83-inch size, even if they're not QD-OLED. 77″ OLED vs 100″ Hisense Mini LED @Echoed_Empires asks: 77-inch LG OLED C5 or 100-inch Hisense? To be honest, I'm fine with the QLED quality of the 100-inch since it gives me that cinema experience. Yeah, the LG kills it, and it's fantastic. But guys, how good do you want the picture to be? It's ridiculous — a normal Hisense in 4K is awesome, and at 100 inches, the same price. I'm really thinking about it, but can't decide. What's your pick? That is a tough one, and there's a lot to consider. One of the themes of this episode, and one of my favorite questions last week, has kind of been: when is good good enough? OLED is special in terms of picture quality and contrast. At 77 inches, everything you watch on it is going to be gorgeous. But 100 inches is also special. Everything you watch on that is going to feel larger than life. For movies and shows, you'll get the theater experience every time, especially if you pair it with a nice audio system. Plus, the 100-inch U8 isn't just your run-of-the-mill big 4K TV. It's a Mini LED TV with full array local dimming. So it's no slouch, even compared to OLED. That said, here are my reservations. Having dealt with a few massive TVs last year, TCL's 115-inch QM891G and Hisense's 110-inch UX, you really need a plan and space for where you're going to put it. It's probably best in a dedicated theater room because it's going to dominate whatever wall you place it on. Moving them isn't simple. Second, there is the difference in picture quality. You will get a cleaner look with more contrast from the C5. While the U8 is great, things like highlight blooming that come off as minimal on a 65-inch TV will be more noticeable on a significantly larger unit. Anything and everything gets magnified on TVs that big. But if it's size you're after and that massive picture gives you the most enjoyment, go for it. Also, I think the Hisense would be brighter. Weigh that into your decision as well. If you're in a room that gets a lot of sun or has a lot of ambient light, consider the Mini LED option. Personally, my pick would be the 77-inch C5. I want that OLED image quality, and 77 inches is plenty. Any smaller than that, and I'd be tempted to go with the extra-large Hisense instead. Either way, I think you're in for a good time.
