Doctors identify these movements as 'fasciculations', because they occur when individual nerve fibers, which control small muscle groups activate independently to produce brief muscle contractions.

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

Twitching at night—it’s something few of us talk about, yet it’s also a phenomenon that impacts Americans when it comes to sleep quality. And even if you feel like you’re getting enough sleep, you ...

An irritating eyelid flutter might be more than just stress. Dr Saurabh Sethi, a Harvard-trained gastroenterologist, explains ...

Muscle fatigue is a decreased ability to create force with your muscles. Electrolyte imbalance and overuse are some of the most common causes of muscle fatigue. Rest and massage are the best ways to ...

As the health and fitness editor here at CNN Underscored, I’m no stranger to reviewing products that have the potential to wow, having tested everything from cooling recovery products for post-sweat ...

What are the latest Muscle Legends codes? You have a pretty clear objective in Muscle Legends; get jacked, and smash any person who stands in your way. Becoming yolked can be a time-consuming process, ...

In the fast-moving world of biohacking, today’s hot new tech is tomorrow’s ancient relic. But with a flood of gadgets hitting the market — each promising to boost your health in exciting, and ...

Courtney Southwick is a writer focusing on health, nutrition, and disease. She has been blogging for the past two years at CourtneySouthwick.com. She writes blogs and articles for online publications ...

Protein powders, especially when combined with resistance training, can increase muscle protein synthesis and boost muscle growth. The best protein powder depends on individual needs and preferences.