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All articles tagged with #muscle

Stay Independent Longer: 5 Strength-First Habits for Aging Well
health1 month ago

Stay Independent Longer: 5 Strength-First Habits for Aging Well

Fitness coach Carrie Sisson, 70, credits decades of consistent strength training with her mobility and independence, and outlines five habits to start between your 30s and 60s: focus on lifting more than chasing a small number on the scale; build and preserve muscle as an aging insurance policy; include cardio but don’t rely on it for weight loss; don’t let age define what you can do and try new activities; and feed the mind as well as the body, supported by research showing resistance training improves strength and bone density and cardio benefits for older adults.

via Women's Health|
#aging#fitness#health
Creatine Diaries: Real Changes I Noticed After 3 Months
fitness1 month ago

Creatine Diaries: Real Changes I Noticed After 3 Months

A personal trainer chronicles three months of daily creatine monohydrate (4g) and reports increased training output, better muscle mass/definition, and mild water retention without significant side effects. The article emphasizes creatine as a supplement to enhance performance over time (not a pre-workout), advises caution with caffeine near bedtime, and suggests researching cycling and choosing pure creatine monohydrate with high bioavailability. Results can vary by individual.

via Tom's Guide|
#creatine#fitness#muscle
Creatine Goes Mainstream: What the Science Really Shows
science1 month ago

Creatine Goes Mainstream: What the Science Really Shows

Creatine, once a bodybuilding staple, has surged into the mainstream with solid evidence for improving muscle strength and performance when paired with resistance training. Evidence for cognitive or brain-health benefits is emerging but not yet conclusive, and aging-related gains look promising but are not definitive. It is generally safe for healthy adults at common doses, though supplement quality varies and those with kidney disease should consult a clinician. Research also shows no sex-based contraindication, and women may benefit especially with training; more randomized trials are needed to confirm brain-related claims and pregnancy effects.

via Straight Arrow|
#aging#cognition#creatine
Protein hype vs. muscle reality: why lifting heavy still matters
science1 month ago

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
health1 month ago

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
Ancient Neanderthal DNA Linked to Subtle Height and Muscle Gains in Modern Humans
genetics2 months ago

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
Collagen Supplements Show Modest Benefits, With Variation Across Products
health3 months ago

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
Vitamin B12: A Hidden Regulator of Metabolism and Aging, Cornell Study Finds
science5 months ago

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
Creatine's true payoff hinges on baseline stores, dosing, and biology
fitness5 months ago

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
Protein Hype vs. Science: Most People Don’t Need More—Fiber and Balance Matter
health6 months ago

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
Magnesium: Most People Don’t Need Supplements—Here’s Why
health6 months ago

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
Space Gravity Threshold: 0.67 g Keeps Mice’s Muscles Strong in Orbit
science6 months ago

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
Exercise blocks aging muscle decline by silencing a key protein driver
health8 months ago

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