For a heart just damaged by a blocked artery, timing matters. So does access. That is what makes a new experimental treatment ...

Can you gain muscle while losing fat? What the science says - Slow and steady wins the race for a leaner, stronger body ...

A UCLA study in mice reveals that aging muscle stem cells accumulate a protein that slows repair but boosts survival. This ...

Muscle loss (atrophy) due to inactivity is common after illness, injury, hospitalization or falls, and becomes increasingly ...

During hibernation, brown bears spend up to six months lying almost completely still, without eating, drinking or exercising.

In the late 1800s, more than a hundred years before smartphones and weather apps, a physicist discovered you could step outside on a summer night, listen carefully, and estimate the temperature with ...

Scientists found that muscles store a chemical record of past inactivity that gets significantly worse with age.

A new study explains how a tiny enzyme switch helps muscles make energy during exercise and may even connect to diabetes risk ...

Stiff knees and aching hips may seem like an inevitable part of aging, but experts say we’re getting osteoarthritis all wrong. Despite affecting nearly 600 million people worldwide — and potentially a ...

Have you ever heard someone claim they have a 'fast metabolism'? This typically means they can eat whatever they want without ...

If the focus on heavy doesn't suit you, try this approach instead.

While humans lose muscle within weeks of inactivity, brown bears preserve muscle during hibernation, offering clues for maintaining our muscle health.