PROTIME-FITNESS HOLISTIC HEALTH AND WELLNESS

 SUGAR SUBSTITUTE MAY HARM THE BRAIN A new study from the University of Colorado Boulder is raising concerns about erythritol, a sugar substitute found in products ranging from low-carb ice cream to “sugar-free” sodas. Once marketed as a safe choice for people with obesity and diabetes, erythritol may pose unexpected dangers to brain health—even in small amounts. Researchers discovered that exposing brain blood vessel cells to levels of erythritol similar to those found in a typical sugar-free beverage resulted in several harmful changes. The treated cells produced less nitric oxide, a compound that helps keep blood vessels relaxed and open. At the same time, they made more endothelin-1, a protein that tightens blood vessels. When researchers introduced a substance that would usually trigger a clot, cells exposed to erythritol were less able to produce t-PA, a natural enzyme that helps break down clots. The cells also generated more reactive oxygen species—free radicals that can da...

  SHARK ENCOUNTERS:  A SURVIVAL GUIDE Worried about sharks while swimming in the ocean? You’re not alone—but the facts might surprise you. The odds of getting bitten by a shark are less than 1 in 4 million. You’re actually more likely to be injured by fireworks, lightning, or even your own bathroom floor. Still, a little know-how goes a long way toward making sure your next swim is safe and stress-free. Here’s how to lower your already tiny risk even more. First, stick close to shore—less than 80 feet is a good guideline. The vast majority of shark attacks happen within 100 feet of the beach, but being close to land means you can get help faster and avoid deeper waters where sharks tend to roam. Swim with friends: sharks are much less likely to approach a group than a solo swimmer. In fact, researchers have found that most shark attacks occur when people swim alone. Timing matters, too. Avoid swimming at dawn, dusk, or nighttime. These are the hours when sharks are most active...

 RIP CURRENTS: STAYING SAFE IN THE OCEAN Rip currents—sometimes called riptides—are one of the scariest things you’ll find at the beach, and most people don’t even see them coming. But the truth is, if you know how to spot one and what to do if you get caught, you’re already miles ahead of most swimmers. Here’s what science—and lifeguards—want you to know before you dive in. How to Dodge a Rip Current First rule: swim where the lifeguards are. Those flagged areas on the sand? They’re not just for decoration. Lifeguards check them for hidden dangers, and they’re ready if something goes sideways (Bradstreet & Brander, 2014). Next, keep your eyes peeled for trouble. Rip currents don’t come with a big warning sign, but you can spot the clues: look for water that’s a darker shade than the rest, places where waves seem to skip breaking altogether, or a sneaky river of water heading back out to sea. If the water looks odd compared to its surroundings, you might be looking at a rip (Le...

 MUSCLE LOSS AND AGING: CAUSES, IMPACT, AND MANAGEMENT Muscle loss, or sarcopenia, doesn't just show up in your eighties—it starts quietly as early as your thirties and tends to speed up after sixty. A combination of factors causes this decline. As we age, our bodies naturally produce less growth hormone and testosterone, and low-level inflammation begins to take hold. Additionally, our muscles become less efficient at building new protein, our mitochondria—the powerhouses of our cells—don't function as well, and we lose some of the motor neurons that instruct our muscles to move. All these factors combine to make it more challenging to maintain or rebuild muscle (Physiological Reviews; Revista Ciencias de la Salud; The American Journal of Clinical Nutrition). Losing muscle isn't just about feeling weaker. Sarcopenia makes everyday tasks, such as walking or standing up from a chair, significantly more challenging. It raises the risk of falls and fractures, which can threate...

  EMOTIONAL EATING: CAUSES AND SOLUTIONS Ever find yourself reaching for a snack not because you’re hungry, but because you’re stressed, bored, or upset? That’s emotional eating—and it’s more common than most people realize. Food becomes a quick fix for tough feelings, whether it’s a leftover habit from childhood (“Here, have a cookie, you’ll feel better!”) or something tied to hormones, stress, or even your genes. If you want to break free from the cycle, start by getting curious about your own habits. The next time a craving hits, pause and ask yourself: “Am I actually hungry, or is something else going on?” Keeping a food-and-feelings journal for a week can be eye-opening. You’ll start to notice patterns—maybe you always crave chips after a stressful meeting, or ice cream when you’re lonely. Cognitive Behavioral Therapy (CBT) is one of the best tools out there for untangling the thoughts and triggers that lead to emotional eating. A therapist can help you spot the moments when y...

  WALNUTS HELP LOWER LDL         If you’re looking for a snack that’s good for your heart, try grabbing a handful of walnuts every day. New research published in Circulation, the journal of the American Heart Association, found that eating about half a cup of walnuts daily for two years helped healthy older adults lower their “bad” LDL cholesterol. Not only did their LDL drop, but the number of those pesky small LDL particles—thought to be even worse for your arteries—also went down. What makes walnuts so special? They’re loaded with omega-3 fatty acids (the same kind you find in salmon), which are famous for helping your heart. According to Dr. Emilio Ros, who helped run the study, walnuts do more than just lower cholesterol numbers—they actually improve the quality of your cholesterol particles, making them less likely to clog up your arteries. The study followed over 700 adults ages 63 to 79, living in both Barcelona, Spain, and Loma Linda, California. Half t...

  CHRONIC PAIN: UTRASOUND MAY HELP :         Pain’s supposed to be the body’s fire alarm. Stub your toe, cut your finger, and it shouts, “Hey! Something’s wrong!” But for people living with chronic pain, the alarm system breaks down. Their brains keep crying emergency—even for injuries that have healed, limbs that are long gone, or aches no doctor can easily explain. For these folks, relief is always just out of reach. But a group at the University of Utah might have finally found something that actually works. Researchers from the John and Marcia Price College of Engineering and the Spencer Fox Eccles School of Medicine have been working on an experimental therapy that does some pretty wild things—and it’s already helping people after just one session. Now, they’re moving into the final phase of clinical trials and are looking for volunteers. At the heart of this research is a device called Diadem. Instead of medicine or surgery, Diadem uses ultrasound—like the...