Low vitamin D levels can cause muscle weakness, cramps and bone pain. You'll generally feel muscle weakness in your upper ...

If you regularly feel fatigued or weak, you may have an iron deficiency. Here are some common symptoms, causes and ways to ...

However, if left untreated, it can cause a weakened immune system or acquired immune deficiency syndrome (AIDS). Some people may not develop any symptoms after contracting HIV and could remain ...

Leg cramping at night is thought to be associated with magnesium deficiency, and magnesium ... evidence suggests supplementation may relieve symptoms of restless legs syndrome.

COPD is a progressive lung disease with mild symptoms in the early stages that gradually worsen. Early diagnosis and treatment can help preserve lung function. People with COPD often have trouble ...

Reviewers have tested some of the products below and may have received some products from the manufacturers for free. All opinions are the reviewers’ own. These full-spectrum gummies are ...

GBS is a rare disorder where the immune system attacks peripheral nerves, causing symptoms from weakness to paralysis. Most recover, but early treatment is crucial. Infections and, rarely ...

Initial symptoms of vitamin B12 deficiency, such as fatigue, nausea, and loss of appetite, are often basic and remain unnoticed, which leads to the deficiency remaining undetected. “A prolonged ...

A century ago, iodine deficiency affected kids across large ... intellectually stunted, and had other symptoms of a syndrome once known as “cretinism.” Public health experts realized they ...