PROTIME-FITNESS HOLISTIC HEALTH AND WELLNESS

  NAD: A POWER BROKER FOR YOUR HEALTH Nicotinamide adenine dinucleotide, or NAD, is a powerhouse molecule present in every living cell, essential for life's chemistry. At its heart, NAD acts as a coenzyme, a helper molecule that enables enzymes to drive vital chemical reactions. It toggles between two forms—NAD⁺ (oxidized) and NADH (reduced)—constantly cycling as it participates in crucial metabolic work. NAD's main gig is facilitating redox reactions, which involve the transfer of electrons between molecules. This electron shuffle is how your body turns food into energy. When you break down carbs, fats, and proteins, NAD⁺ grabs electrons and becomes NADH. Then, NADH hands off those electrons to the cell's energy factories, helping produce ATP, the molecule cells use as fuel (Cleveland Clinic)[ https://my.clevelandclinic.org/health/body/nad-nicotinamide-adenine-dinucleotide ]. But NAD⁺ is more than just an energy courier. It's also a key player in regulating cellular he...

  BLOOD LOSS PREVENTION WITH NEW SPRAY POWDER Imagine a powder that can halt severe bleeding almost instantly — within a single second. That's exactly what researchers at KAIST have developed. This breakthrough spray-on powder forms a strong, protective gel the moment it touches a wound, sealing it fast enough to save lives. It's designed to tackle deep, irregular injuries where traditional methods often fall short — and it stays effective even after years sitting on the shelf in tough conditions. Originally crafted for soldiers on the battlefield, this tech could soon change the way emergencies are handled everywhere—from disaster zones to ambulances and hospitals. A Game-Changer for Bleeding Control Uncontrolled bleeding is the top killer in combat injuries, making quick intervention crucial. That's why a team at KAIST, including an Army Major, put their heads together to create a next-level powder that stops heavy bleeding in about one second. This isn't just a win f...

STROKES: A NEW CAUSE DISCOVERED   For decades, doctors have believed that a common type of stroke was caused by fatty plaque clogging up arteries. But new research from the University of Edinburgh flips that idea on its head. It turns out the real culprit might be something much deeper — tiny blood vessels in the brain that are damaged and enlarged. This discovery could explain why standard treatments, like aspirin, often fall short for this type of stroke. Instead of battling clogged arteries, scientists now think the key lies in directly protecting these fragile little vessels. The type of stroke in question is called lacunar ischemic stroke . It happens when the brain’s smallest blood vessels get damaged through a condition known as small vessel disease. This stroke isn’t just a one-off event — it’s a major cause of long-term disability and is linked to memory loss, dementia, and a higher chance of future strokes. A team led by researchers from Edinburgh, together with internati...

  Old Muscle Stem Cells Can Bounce Back — But There’s a Catch Why do muscles take longer to heal as we age? Scientists at UCLA think they’ve uncovered a surprising answer — and it involves a hidden survival switch inside muscle stem cells that trades their youthful speed for endurance. Here’s the story: As we get older, our muscles don’t bounce back as quickly from injury. Researchers studying mice at UCLA found that older muscle stem cells pack in a protein called NDRG1, which acts like a handbrake, slowing down the cells’ ability to jump into repair mode. But there’s a twist: that same protein also helps the cells survive the wear and tear of aging, letting them stick around longer than they would otherwise. This discovery flips how we think about aging. Instead of just a downhill slide, some changes in our cells might actually be protective moves to keep them alive, even if it means they’re less effective at their job. Dr. Thomas Rando, who led the study, put it bluntly: “The st...

 V ITAMIN C SUPPORTS BRAIN HEALTH A major new study out of Japan is shaking up what we know about diet and the aging brain. Researchers have discovered that higher blood vitamin C levels are associated with healthier brain structure and stronger network connections in older adults—a finding that could change how we think about nutrition and cognitive aging (Nagaya et al., 2026). The study, published in PLOS One in June 2026, followed more than 2,000 adults aged 64 and older. Those with lower blood vitamin C had less gray matter and weaker connections within the brain’s default mode network, a system crucial for memory, attention, and other core cognitive skills. While these results don’t prove that vitamin C directly protects the brain, they add to a growing body of evidence that nutrition could play a key role in maintaining mental sharpness later in life (Nagaya et al., 2026). The research team, led by Haruka Nagaya at Hirosaki University, used MRI scans and blood samples to prob...