Tag

Muscle

All articles tagged with #muscle

science3 days ago•14 min saved

Protein hype vs. muscle reality: why lifting heavy still matters

Protein is essential for health and can aid fullness and recovery, but simply eating more protein or choosing protein-fortified foods won’t automatically build bigger muscles; meaningful gains require resistance training with progressively heavier lifts and adequate amino acids, with intake tailored to individual goals, age, and activity. Many adults already meet protein needs, and protein powders or fortified foods can mislead when they come with added sugars or fats. Plant vs. animal proteins differ in amino-acid profiles (soy being a notable complete source), so a varied diet is recommended. Federal guidance has risen to 1.2–1.6 g/kg, but optimal intake depends on personal factors and training commitments.

via The Conversation|

#marketing #muscle #nutrition

health9 days ago•4 min saved

Coffee May Help Trim Fat and Build Muscle, Finnish Study Finds

A University of Oulu study found higher daily coffee intake is associated with lower total body fat, more skeletal muscle, and less visceral fat, though causation is not proven. The analysis also noted lower levels of branched-chain amino acids and some gender-specific differences in glucose response, with no details on cup size or brewing methods.

via New York Post|

#body-fat #coffee #health

health11 days ago•4 min saved

Consistency in Strength Training Keeps Aging Muscles Strong

New study of lifelong athletes aged 40–81 found thigh muscle size, lean mass, and leg strength stay stable with age when training four to five times weekly. The key takeaway is consistency: train major muscle groups at least twice a week, stay active on non-training days, and consume about 30+ grams of protein per meal to preserve muscle as you age — and pick a routine you can sustain for years.

via MindBodyGreen|

#aging #exercise-frequency #health

genetics19 days ago•5 min saved

Ancient Neanderthal DNA Linked to Subtle Height and Muscle Gains in Modern Humans

Researchers traced two amino-acid changes in the Neanderthal version of the growth hormone receptor, which likely entered modern human genomes through interbreeding about 47,000 years ago. In large biobank analyses (over 1.1 million adults), carriers of this Neanderthal-derived variant are on average about 0.3 cm taller and have about 0.25 kg more muscle mass than non-carriers; the variant is common in South Asia (~20%) and East Asia (~15%), but rare in Europe and absent in sub-Saharan Africa. Laboratory tests with mouse cells showed the Neanderthal receptor promotes more cell growth, supporting a molecular pathway for the observed physical differences.

via Nature|

#genetics #growth-hormone-receptor #height

health2 months ago•7 min saved

Collagen Supplements Show Modest Benefits, With Variation Across Products

A large umbrella review of 113 clinical trials (nearly 8,000 participants) finds collagen supplements can modestly improve skin hydration and elasticity, joint pain (notably osteoarthritis), and muscle health, especially with hydrolyzed peptides and consistent use. However, effects vary by product, dose, and study quality, and many trials were small, short, or methodologically limited, making long-term conclusions uncertain. More standardized, rigorous research is needed to confirm which products and regimens are most beneficial.

via SciTechDaily|

#collagen #health #joints

science3 months ago•6 min saved

Vitamin B12: A Hidden Regulator of Metabolism and Aging, Cornell Study Finds

A Cornell study shows vitamin B12 influences skeletal muscle energy production and metabolism, linking suboptimal B12 status—common among older adults—to reduced muscle mass and potential aging risk; researchers suggest B12 biomarkers could enable precision nutrition, though findings come from cell models and aged mice and require human trials.

via SciTechDaily|

#aging #metabolism #mitochondria

fitness3 months ago•3 min saved

Creatine's true payoff hinges on baseline stores, dosing, and biology

Creatine has potential benefits for muscle and brain health, but its effects vary by baseline stores (lower in women, older adults, and vegetarians may see bigger gains), dose/absorption (3–5 g daily maintenance; carbs can boost uptake; no extra benefit from very high doses due to saturation), and individual physiology. It's not a magic bullet and should accompany proper training and nutrition.

via New York Post|

#brain-health #creatine #fitness

health4 months ago•8 min saved

Protein Hype vs. Science: Most People Don’t Need More—Fiber and Balance Matter

Stanford Medicine experts say the protein hype is overblown: most adults already meet protein needs, and simply eating more isn’t a universal fix. For some groups, about 1.2–1.6 g/kg may help preserve muscle (notably older adults or those losing weight), but resistance training matters more. The newer guidelines may emphasize protein, yet fiber and plant-based foods remain essential; the myth of incomplete plant proteins is debunked, and timing or post-workout protein is less critical than overall diet.

via SciTechDaily|

#dietary-guidelines #fiber #health

health4 months ago•5 min saved

Magnesium: Most People Don’t Need Supplements—Here’s Why

Magnesium is essential for sleep, nerves, hormones, and muscles, but most adults get enough from a varied diet, so unnecessary daily supplementation isn’t advised and can be risky in excess. Supplements may help only in specific cases—such as a confirmed deficiency or high sweat loss in athletes—under medical guidance, with different forms serving different needs (glycinate for muscles, L‑threonate for brain). Aim for about 400–420 mg per day for healthy men unless a clinician directs otherwise.

via GQ|

#health #magnesium #muscle

science5 months ago•4 min saved

Space Gravity Threshold: 0.67 g Keeps Mice’s Muscles Strong in Orbit

NASA/JAXA researchers studied 24 mice aboard the ISS under four gravity levels (microgravity, 0.33 g, 0.67 g, and 1 g) and found that muscle strength declines when gravity falls below 0.67 g even if muscle size stays the same; the soleus muscle is particularly gravity-sensitive. At 0.67 g, grip strength remains near Earth-normal, but it weakens below that threshold. The results suggest Mars’ 0.38 g environment may not by itself preserve muscle during long missions, underscoring the need for exercise or other countermeasures, with translation to humans to be determined by further research.

via The Daily Galaxy|

#gravity #mars #muscle

health7 months ago•5 min saved

Exercise blocks aging muscle decline by silencing a key protein driver

New research shows that exercise helps prevent age-related muscle loss by suppressing the DEAF1 transcription factor that drives protein imbalance and triggering protective FOXO genes, which restore cellular repair and protein recycling. This balances mTORC1 activity to support maintenance rather than degeneration, with both resistance and aerobic training beneficial and a combination offering the greatest benefit. It’s never too late to start—regular activity can help older adults stay stronger and more mobile.

via Medical News Today|

#aging #deaf1 #exercise

health8 months ago•1 min saved

Essential Guide to Increasing and Understanding Protein Intake

Increasing protein intake can support muscle maintenance, weight management, and overall health; simple ways include incorporating more protein-rich foods into daily meals, choosing lean meats, dairy, legumes, and nuts, and adjusting portion sizes based on individual needs.

via Times of India|

#diet #health #muscle

health-and-wellness10 months ago•5 min saved

Debunking Common Vegetarianism Myths

The article debunks common myths about vegetarianism, emphasizing that plant-based diets can provide sufficient protein, energy, and muscle-building nutrients, are budget-friendly, socially adaptable, and not all-or-nothing. It encourages starting with small changes, planning for key nutrients like iron and B12, and viewing diet as a supportive tool rather than a perfectionist pursuit.

via VegOut|

#cost #diet #health-and-wellness

health-and-nutrition10 months ago•7 min saved

Determining the Safe Limit of Protein Intake

While protein is essential for building and repairing the body, most adults already consume sufficient amounts, and increasing intake beyond 1.3–1.6 g/kg per day offers little benefit and may pose health risks. A balanced diet with varied protein sources and resistance training is more effective than chasing high protein numbers or supplements.

via The Times of India|

#diet #health-and-nutrition #health-risks

health-and-fitness10 months ago•4 min saved

The Benefits of Daily Walking for Fitness and Health

Walking is a low-impact, accessible activity that boosts overall health, enhances creativity, reduces stress, and supports brain growth, but it doesn't significantly build muscle size unless combined with resistance training or increased intensity like rucking. It primarily helps burn fat and improve cardiovascular health, making it a valuable foundation for physical activity, though for muscle gain, additional strength training is recommended.

via GQ|

#cardiovascular-health #exercise-benefits #fat-loss