Dr. Joy Katherine Gelbman

Dr. Joy Katherine Gelbman Dr. J K Gelbman is a holistic health specialist with over 20 years of experience helping women, men naturally transform their bodies.

She holds a doctorate in Integrative Nutrition, specializes in sustainable weight loss for women and hormonal balance.

20-year study shows metformin, a common and affordable type 2 diabetes drug, may cut the risk of dementia in half.A land...
08/31/2026

20-year study shows metformin, a common and affordable type 2 diabetes drug, may cut the risk of dementia in half.

A landmark study tracking participants for over 20 years suggests that the widely prescribed type 2 diabetes drug, metformin, may cut the risk of developing dementia in half. Researchers analyzed data from 1,483 individuals who participated in the landmark Diabetes Prevention Program (DPP) starting in the 1990s.

The long-term follow-up revealed that only 1.9% of those randomized to receive metformin eventually developed dementia, compared to 4.2% in the intensive lifestyle intervention group and 3.5% in the placebo group. Dr. José Luchsinger of Columbia University emphasized that this long-term tracking represents the strongest evidence to date that metformin could preserve brain health.

The biological pathway behind this protective effect remains a mystery, though scientists suspect metformin may protect brain cells by reducing vascular inflammation, improving glucose metabolism, or modifying immune responses. Repurposing cheap, widely available medications like metformin offers a highly efficient avenue for addressing the global surge in neurodegenerative diseases.

While researchers caution that these results are not yet a definitive cure, the findings have fueled high anticipation for ongoing clinical trials specifically designed to evaluate metformin’s direct role in halting Alzheimer’s disease and other forms of cognitive decline.

source: Marshall, M. (2026). Diabetes drug metformin may halve the risk of dementia. New Scientist.

Global carbon dioxide emissions are projected to reach another record level, showing that the world's energy transition ...
08/30/2026

Global carbon dioxide emissions are projected to reach another record level, showing that the world's energy transition is not yet reducing total greenhouse gas pollution fast enough. Although renewable energy sources such as solar and wind power are expanding rapidly, global demand for electricity and continued reliance on coal, oil, and natural gas are still driving emissions upward. Carbon dioxide remains in the atmosphere for hundreds of years, trapping heat and contributing to long term climate change.
Most human generated carbon dioxide comes from burning fossil fuels for electricity, transportation, industry, and heating. Forests, oceans, and soil naturally absorb some of this gas, but they can remove only about half of what people release each year. The remaining carbon dioxide accumulates in the atmosphere, strengthening the greenhouse effect and increasing the likelihood of rising temperatures, extreme weather, melting glaciers, and sea level rise.
Scientists emphasize that reducing emissions will require both expanding clean energy and lowering fossil fuel use across every major sector. Improving energy efficiency, protecting forests, and developing cleaner industrial technologies will all play important roles in slowing the buildup of carbon dioxide in the atmosphere.
RESEARCH PAPER
DOI: 10.5194/essd-18-3211-2026

Your cells are producing tiny amounts of light right now, but the reality is more fascinating than the viral headline su...
08/30/2026

Your cells are producing tiny amounts of light right now, but the reality is more fascinating than the viral headline suggests.
Living cells emit extremely faint photons known as biophotons, or ultra-weak photon emissions. Much of this light appears to originate from oxidative metabolic reactions, with mitochondria considered one of its major intracellular sources. The emissions are so faint that they cannot be seen with the human eye and require extremely sensitive instruments to detect.
The really interesting part came from experiments with isolated mitochondria. Researchers placed two populations of mitochondria in physically and chemically separated containers. When one population was stressed, metabolic changes appeared in the other. The effect also depended on ambient light, leading researchers to suggest that some form of light-based signaling could be involved.
Scientists are now investigating whether these photons are simply byproducts of metabolism or whether cells actually use them to transmit biological information. Recent reviews suggest biophotons could potentially participate in communication within and between cells, but the mechanism and its biological importance are still being investigated.
And this is where the headline goes too far: none of this demonstrates that humans are literally “beings of light.” That’s a philosophical interpretation, not a scientific conclusion.
What science can genuinely say is strange enough: every second, trillions of cells inside your body are carrying out chemistry that produces an incredibly faint glow, and researchers are now asking whether some of that light might actually carry information.
In a very literal sense, living organisms do glow. We are simply far too dim to see it.

08/29/2026

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You hum a lullaby. You sing a silly song. You turn on a nursery rhyme in the car. It feels like entertainment.It is actu...
05/30/2026

You hum a lullaby. You sing a silly song. You turn on a nursery rhyme in the car. It feels like entertainment.

It is actually brain building.

Neuroscience confirms that infants who experience regular musical exposure display up to 90% stronger neural responses to speech sounds compared to babies who do not. Not just music skills. Language skills. The same brain regions process rhythm, pitch, and timing in both music and speech.

Here is what happens inside. When a baby hears a song, the auditory cortex fires precisely. Those same neural firing patterns are required to distinguish between similar speech sounds. ""Bat"" versus ""pat."" ""Ship"" versus ""chip."" Music trains the ear to hear the gaps.

That training transfers directly to reading readiness. Phonological awareness. The ability to hear and manipulate sounds in words. It is the single best predictor of early reading success.

You do not need formal lessons. You need exposure. Lullabies at bedtime. Songs during diaper changes. Clapping games. Rhyming books read aloud. Even background music played softly during play.

Every song is a workout for the language centers of your baby's brain. Sing more. Worry less. That is the research.

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Scientists found an enzyme that "eats" arterial plaque. The discovery by Italian researchers could eventually replace op...
05/29/2026

Scientists found an enzyme that "eats" arterial plaque.

The discovery by Italian researchers could eventually replace open-heart surgery.

An elite research network across Italy has isolated a specific class of specialized bacterial enzymes capable of naturally breaking down the dense, calcified fatty deposits known as arterial plaque. Published in the European Heart Journal, the preclinical study demonstrates how these highly targeted bio-catalysts can selectively degrade the complex fibrin-lipid matrix that forms the structural foundation of atherosclerosis.

Utilizing advanced nanotechnology, scientists engineered biocompatible lipid-shell nanocarriers to encapsulate the enzymes, allowing them to travel through the bloodstream completely undetected by the immune system.

Once these smart carriers encounter the precise inflammatory signals emitted by an obstructed vessel, they release their enzymatic payload directly into the plaque barrier, safely dissolving the mechanical blockage and restoring blood flow without requiring a single invasive incision or stent deployment.

While the prospect of naturally reversing established coronary artery disease represents a historic paradigm shift for cardiovascular medicine, cardiologists emphasize that this biological solution is still moving through its foundational safety pipeline. Replicating the 42% plaque reduction observed in animal models requires absolute precision; if the enzymes are released prematurely or interact with healthy vascular tissues, they risk destabilizing stable arterial walls or triggering major systemic bleeding events. Human clinical safety trials are not projected to begin for several years, meaning that rigorous lifestyle management, statin therapies, and regular cardiovascular screeners remain the definitive gold standard for managing heart health.

Reference

Rossi, M., Bianchi, L., & Ferrero, G. (2026). Nanoparticle-targeted enzymatic degradation of atherosclerotic plaque: An in vivo proof of concept. European Heart Journal, 47(18), 1422-1435.

Sleep scientists have found that regular physical activity strongly influences how easily the brain transitions into sle...
05/17/2026

Sleep scientists have found that regular physical activity strongly influences how easily the brain transitions into sleep. Exercise affects the body’s internal clock by increasing sleep pressure during the day and helping melatonin rise at the right time in the evening. These biological shifts make it easier for the brain to power down, shortening the time it takes to fall asleep and improving sleep continuity through the night.

Research shows that movement also changes how the brain cycles through sleep stages. People who are physically active tend to spend more time in deeper, restorative sleep phases that support memory, emotional balance, and physical recovery. Exercise strengthens communication between brain regions that regulate temperature, hormones, and nervous system activity, all of which are essential for stable sleep rhythms. These effects build gradually, becoming stronger with consistent daily movement rather than one intense session.

Across many sleep studies, regular exercise stands out because it works through core biological systems rather than quick behavioral tricks. By reinforcing natural circadian timing and aligning brain chemistry with daily energy use, physical activity helps the brain recognize when it is time to rest. Over time, this creates more predictable, longer, and more refreshing sleep.

Research Paper 📄
PMID: 25596964

Many people experience early symptoms hours or days before cardiac arrest, but these signals are often dismissed as stre...
05/14/2026

Many people experience early symptoms hours or days before cardiac arrest, but these signals are often dismissed as stress or fatigue. Chest tightness, shortness of breath, palpitations, dizziness and sudden exhaustion may all point to a struggling heart. These signs appear because blood flow is already becoming unstable, even though the heart has not yet stopped. When these symptoms occur in someone with known or suspected heart issues, rapid medical attention is critical. In athletes, fainting during exertion is especially concerning and may indicate an underlying rhythm problem that can trigger sudden collapse during intense activity.

When warning symptoms appear, quick action can save a life. Immediate emergency contact is essential, and if someone collapses, chest compressions should begin without delay. Keeping the upper body elevated supports easier breathing until help arrives. If the person becomes unconscious but still breathes, placing them in a recovery position helps keep the airway open. When breathing stops, chest compressions at a steady rhythm maintain vital blood flow to the brain. Continuous pressure is more important than perfect technique because even brief interruptions reduce oxygen delivery.

Most cardiac arrests begin with chaotic electrical activity called ventricular fibrillation, which prevents the heart from pumping blood. Sudden collapse, confusion, heavy sweating, breathlessness and sharp chest pain are all acute signs requiring immediate emergency care. Risk rises with age and existing heart disease, but underlying problems can go unnoticed for years. Recognizing early symptoms and responding fast offers the best chance of survival.

Regular physical activity triggers coordinated metabolic responses that influence how cholesterol moves through the body...
05/13/2026

Regular physical activity triggers coordinated metabolic responses that influence how cholesterol moves through the body. When muscles contract repeatedly, they increase energy demand and draw more fatty molecules from the bloodstream. This activates enzymes that remodel lipoproteins, gradually shifting cholesterol traffic away from vessel walls and toward controlled processing routes. These adjustments accumulate over time as activity patterns are repeated.

Exercise also alters liver regulation, the central coordinator of cholesterol balance. Signals released from active muscle influence how the liver packages and releases low density lipoproteins. Blood vessels respond as well, showing improved flexibility and reduced inflammatory signaling, conditions that favor efficient lipid transport independent of visible weight change. These internal shifts can occur even when body mass remains stable.

By contrast, prolonged inactivity produces opposite molecular patterns. Reduced muscle demand weakens signals that support high density lipoprotein production while surplus energy favors cholesterol retention. Over years, population studies consistently associate lower movement with less favorable cholesterol distributions, reflecting biology responding to habitual behavior rather than isolated events. These trends emerge gradually and persist across age groups and different lifestyles.

Research Paper 📄
DOI: 10.1038/s41598-024-76831-x

Decades of research show that regular cardiovascular activity is one of the strongest defenses against heart disease, an...
05/01/2026

Decades of research show that regular cardiovascular activity is one of the strongest defenses against heart disease, and walking remains one of the most accessible ways to achieve it. Unlike more intense exercise, walking places minimal strain on joints while still stimulating the heart, lungs, and blood vessels. Even at a moderate pace, it improves circulation, supports healthy blood pressure, and helps regulate cholesterol and blood sugar levels. These effects accumulate gradually, making walking especially effective when practiced consistently.

Studies comparing different forms of exercise suggest that walking can significantly reduce heart disease risk despite being lower intensity than running or cycling. One reason is adherence. People are far more likely to maintain a walking routine over months and years because it fits easily into daily life. Consistency matters more than intensity for long term cardiovascular protection. An exercise plan only works if it becomes a habit rather than a short burst of motivation.

Walking is also adaptable. As fitness improves, pace, distance, or terrain can be adjusted to increase challenge and benefit. Hills, intervals, or longer routes add intensity without changing the core habit. In this way, walking provides a foundation for lifelong movement, offering steady protection for the heart while supporting overall physical and mental wellbeing.

Research Paper 📄
PMID: 31146804
PMID: 20625280

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