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Scientists reveal creatine’s hidden power beyond muscle gains

2 weeks 1 day ago
Creatine might be famous in the gym, but its real story is far more interesting. Naturally produced in the body, it helps power cells by rapidly regenerating ATP—the fuel that keeps muscles, the brain, and even the heart running during intense activity. Supplementing with creatine can boost short bursts of physical performance and may even support memory, mood, and cognitive speed, especially in people with lower baseline levels.

This simple blood test might detect depression before symptoms appear

2 weeks 1 day ago
A new study suggests depression may soon be detectable through a simple blood test—by tracking how certain immune cells age. Researchers found that accelerated aging in monocytes, a type of white blood cell, is closely tied to the emotional and cognitive symptoms of depression, like hopelessness and loss of pleasure, rather than physical symptoms such as fatigue.

Weight loss drug Ozempic linked to lower depression and anxiety risk

2 weeks 1 day ago
GLP-1 drugs like semaglutide—best known for treating diabetes and driving weight loss under the brand names Ozempic and Wegovy—may also deliver a surprising mental health boost. In a massive study tracking nearly 100,000 people over more than a decade, researchers found that these medications were linked to significantly fewer psychiatric hospital visits and sick days.

Alzheimer’s drugs may not work and could raise brain risks

2 weeks 1 day ago
Drugs designed to clear amyloid beta from the brain—once seen as a promising path to slowing Alzheimer’s—may not actually help patients in any meaningful way, according to a major review of over 20,000 participants. Even more concerning, they may increase the risk of brain swelling and bleeding, sometimes without obvious symptoms.

Scientists just discovered what coffee is really doing to your gut and brain

2 weeks 2 days ago
Coffee doesn’t just energize—it actively reshapes the gut and mind. Researchers found that both caffeinated and decaf coffee altered gut bacteria in ways linked to better mood and lower stress. Decaf even improved learning and memory, while caffeine boosted focus and reduced anxiety. Together, they show coffee works through multiple pathways beyond just caffeine.

The creepy feeling in old buildings might have a surprising cause

2 weeks 2 days ago
A hidden force may be quietly shaping how you feel—and you’d never even know it. Infrasound, an ultra-low-frequency vibration below the range of human hearing, is everywhere from traffic to old buildings. In a small experiment, people exposed to it became more irritable, less engaged, and even showed higher levels of the stress hormone cortisol—despite having no idea it was present. The findings suggest our bodies can “sense” these vibrations without conscious awareness, potentially explaining eerie sensations in places like basements or supposedly haunted buildings.

Scientists found the brain doesn’t start blank, it starts full

2 weeks 2 days ago
The brain’s memory center may begin life more like a crowded web than an empty canvas. Researchers discovered that early neural networks in the hippocampus are dense and seemingly random, then become more organized by shedding connections over time. This pruning process creates a faster, more efficient system for linking experiences and forming memories. It challenges the idea that the brain starts from scratch.

Nitric oxide redox signaling as a convergent mechanism in aging and fibrosis

2 weeks 2 days ago
Nitric oxide (NO) is a pleiotropic gaseous mediator that regulates tissue homeostasis. At physiological levels, it functions as a precise signaling molecule through soluble guanylate cyclase (sGC) activation and the reversible S-nitrosylation of cysteine residues. However, in the context of aging and fibrosis, oxidative stress disrupts this balance. The increased generation of superoxide (O₂•⁻) anions diverts NO from homeostatic signaling to form peroxynitrite (ONOO⁻), a potent oxidant. This...
Xue Guo

Stress is inevitable; recovery is conditional: bioenergetic limits of resilience in aging and disease

2 weeks 2 days ago
Aging, stress-related disorders, and chronic disease are often examined across separate domains-stress physiology, nutrition, psychiatry, and geroscience-despite converging on shared phenotypes of functional decline and reduced resilience. Although adaptive responses to stress are well characterized, why comparable exposures yield sustained resilience in some individuals but progressive dysfunction in others remains insufficiently explained. We propose that the missing unifying constraint is not...
Torsak Tippairote

Association between dietary patterns and CAIDE-predicted dementia risk: A 20-year cohort of the Korean Genome and Epidemiology study

2 weeks 2 days ago
This study examined associations between dietary habits and the risk of developing Cardiovascular Risk Factors, Aging, and Incidence of Dementia (CAIDE)-predicted late-life dementia risk in Korean adults. A total of 5,042 participants aged 40-69 years were included. We assessed associations between dietary patterns-the Mediterranean diet, Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) diet, Korean Healthy Eating Index (KHEI), and Empirical Dietary Inflammatory Index...
Ji-Eun Youn

Vitamin K2 Extends Lifespan by Alleviating Mitochondrial Stress via the JNK-1/SIR-2.1/DAF-16 Signaling Axis in Caenorhabditis elegans

2 weeks 2 days ago
Vitamin K2 is a fat-soluble vitamin that has been reported to exhibit significant anti-stress activity. Anti-stress properties are considered to be closely associated with lifespan extension. Therefore, we investigated the effects of vitamin K2 on the lifespan and stress resistance of Caenorhabditis elegans, as well as the underlying mechanisms. In the present study, we found that the effects of Vitamin K2 on C. elegans are concentration-dependent. High concentrations (10 μM) of Vitamin K2 are...
Song-Yu Guo

Boosting one protein helps the brain fight Alzheimer’s

2 weeks 3 days ago
Scientists have discovered a way to help the brain clean itself of harmful Alzheimer’s plaques by activating its own support cells. By increasing a protein called Sox9, researchers were able to boost the activity of astrocytes, star shaped cells that help maintain brain health. In mice that already showed memory problems, this approach reduced plaque buildup and preserved cognitive function over time.