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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Immunis Publishes Research Showing Body Fat Loss and Reversal of Liver Steatosis and Fibrosis, While Increasing Lean Muscle Mass, in Aged Models

The National Center for Health Statistics reports that the percentage of Americans aged 65+ with obesity has doubled to 40% for both men and women. While pharmacotherapies like GLP-1 receptor agonists ...

What You Need to Know to Pack on Lean Muscle

"Lean muscle is kind of an oxymoron. All muscle is lean," says Brad Schoenfeld, Ph.D., C.S.C.S., and professor of exercise ...