What’s the difference between ‘lean’ and ‘bulk’ muscle — and which should you aim for?

There's a lot of talk about lean muscle compared to bulk muscle, but experts say it's not worth differentiating the two.
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Epigenetic clocks accurately predict age from human skeletal muscle

A new research paper was published in Volume 17, Issue 11 of Aging-US on November 26, 2025, titled "Epigenetic aging ...
Science Daily

Skeletal muscle health amid growing use of weight loss medications

A recent article highlights the critical importance of skeletal muscle mass in the context of medically induced weight loss, particularly with the widespread use of GLP-1 receptor agonists. These ...
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Anorexia nervosa may result in long-term skeletal muscle impairment

A study published in the Journal of Nutritional Physiology suggests that muscle impairment persists even after weight ...