Tumors can destroy the blood vessels of muscles even when the muscles are nowhere close to the tumor. That is the key finding of a new study that my colleagues and I recently published in the journal ...

Myofibrillar myopathy type 6 (MFM6) is a rare genetic muscle disorder that leads to severe muscle weakness and a drastically ...

Research reveals how brain inflammation triggers extreme muscle weakness across several diseases, including viral infection, bacterial infection and Alzheimer's disease. The study, in fruit flies and ...

Asthenia is a lack of energy or strength and can affect the whole body or specific parts. Some lifestyle choices like poor diet or lack of exercise can cause asthenia symptoms. Rarely, asthenia can be ...

There are clear clinical red flags or obvious situations that demand immediate medical attention. Weakness that appears ...

A 30-year-old African-American woman presented to the emergency department for medical assessment after becoming too weak to walk. She reported proximal muscle aches in both arms and legs, a skin rash ...

History gathering should solicit the patient’s abilities or limitations with these activities of daily living (ADLs). The patient may have mild arthralgias. Lungs are the most common extra muscular ...

Vitamin B12 deficiency can be caused by poor diet or malabsorption, leading to fatigue, muscle weakness, and memory problems.

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After a certain age, when muscle weakness and pain start to accompany exercise and simple daily tasks like getting up from a chair, we often dismiss it as part of the package of getting older. But ...