Researchers have developed peptide-based hydrogels that mimic the aligned structure of muscle and nerve tissues, which could enable the development of functional lab-grown tissue. A team of chemists ...

Let’s get one thing straight: Muscle is muscle. Despite what many fitness influencers may have you believe, there’s no such thing as "lean muscle" or "bulk muscle." It’s all made from the same stuff.

We all have that friend who packs on muscle like it’s nothing, while the rest of us slog through our training week after week. Genetics explain some of the difference, but new research suggests your ...