Muscle Contraction

Whether you want to achieve or avoid a muscular look, you should know how muscle changes your body for the better.

This temporary pacemaker, smaller than a grain of rice, could regulate the heart less invasively

In October 2024, NASA's Office of the Chief Health and Medical Officer (OCHMO) initiated a working group to review the status and progress of research and

Knowing how to build muscle and how long it should take to see results isn't a mystery. Here's what you need to know about hypertrophy and programming.

"Whether people are athletes or not, the human body is constantly losing water through normal human functions"

The healing potential of the brain's most interconnected nerve intrigues researchers

Adding these whole foods into your diet makes getting all your necessary vitamins and minerals easier.

The patient was diagnosed with takotsubo cardiomyopathy, also known as "broken heart syndrome," which had an unusual cause.

For many people, castor oil is seen as a do-it-all elixir for the body. But what do experts think? Here, doctors explain castor oil benefits and risks.

A series of botulism cases in Italy and France have raised concerns about food safety. What can people do to avoid the deadly bacteria?

The venom of black widow spiders contains a cocktail of seven specific latrotoxins, but only one -- α-latrotoxin -- targets vertebrates, including humans.

A fitness expert explains the proper way to cheat on your biceps curls, how to do it correctly, and tips and tricks to watch out for when doing the cheat curl.

Comparative genomic analyses provide mechanistic clues to cardiac muscle regulation

Cells are highly controlled spaces that rely on every protein being in the right place. Many diseases, including cancers and neurodegenerative disorders, are associated with misplaced proteins. In some cancers, for instance, a protein that normally stands watch over DNA replicating in the nucleus is sent far from the DNA it is meant to monitor, allowing cancers to grow.

Although urinary incontinence can occur in both women and men at any age, it is more common in women over age 50.

Even among the world's most elite gymnasts, American Simone Biles, now competing in her third Olympic Games, is a standout.

What puts the electronic pep in peptides? A folded structure, according to a new study in the Proceedings of the National Academy of Sciences.

A fitness expert explains what progressive overload is, and four methods for implementing progressive overload into your workouts without increasing weight

In ERs now, you'll get a tech-driven evaluation. But trading doctors' humanity and deductive powers for AI and apps has a high cost — dumbed-down medicine.

You can use the good mornings exercise to build stronger hamstrings and glutes, but the move can be tough on your lower back. Learn the proper form here.