Fake or polite smiles, on the other hand, usually involve only the mouth muscles. The eyes remain wide or indifferent, and the smile appears more mechanical than meaningful – a kind of emotional ...

Trump and Musk feud draws reactions from billionaires, politicians and pundits. Here's who said what 'King of the Hill' revival: Cast reveals what older Hank, Bobby, Peggy are up to now US ally ...

Mastication plays an important role in effective food digestion and nutrient absorption. Therefore, regulating masticatory force in people with declining mastication function is significant for ...

If you're one of the 13% of American adults who has taken a GLP-1 drug for weight loss, you may know that while fat seemingly melts away, so too does muscle. And if you're not one for weights, or ...

Find out what you need to know about your abdominal muscles and their function. Learn the signs of injury and how to strengthen these muscles.

An AI simulation is still no match for a real writer, but uneasiness with the speed and effortlessness of machine creation remains.

Researchers are developing a detailed wiring diagram of the motor circuits in fruit flies’ central nervous systems. This connectome reveals the complex coordination between the nerves controlling leg ...

While our muscles are capable of performing monumental tasks, asking them to do this can raise the risk of them tearing. Watch any episode of , and you’ll see what I mean.

The masseter muscle is one of the primary muscles of chewing. Learn the anatomy, functions, and common conditions affecting this facial muscle.

Learn more about the different types of muscle contractions, how to do them, what they’re used for, and the benefits.

This overview of the organs in the body can help people understand how various organs and organ systems work together. Learn more here.