"When you challenge your arm muscles with resistance, you create microscopic tears in the muscle fibers," an expert told Newsweek.

If you have ever dreamt of stronger, more sculpted arms, the secret lies in training both the biceps and triceps. These muscles do not just improve appearance, they power everyday movements like ...

Amyotrophic lateral sclerosis (ALS) is a progressive disease of the nervous system. It affects nerve cells in the brain and spinal cord called motor neurons. Motor neurons control muscle movement and ...