Once nearly always fatal, pernicious anemia became treatable through a series of discoveries linking the stomach, liver, and ...

Vitamin B12 deficiency can cause pale skin, cracked lips, tongue changes, mouth sores, vision problems, and anemia, requiring timely diagnosis and treatment.

Medically reviewed by Susan Bard, MD Key Takeaways Symptoms of a vitamin B12 deficiency can sometimes show up on your face, ...

Symptoms many dismiss may point to an overlooked cause, and catching it early could help prevent lasting health problems.

Billionaire and anti-aging entrepreneur Bryan Johnson recently revealed he is battling Autoimmune Gastritis (AIG), an immune disorder.

Leukemia and lymphoma are cancers that affect your bone marrow. That’s where all your blood cells come from. These conditions disrupt your body’s process for making red blood cells. So there’s not ...

Many people automatically think of Alzheimer’s disease when they hear the word “dementia.” While Alzheimer’s is the most common type, there are multiple kinds of dementia. Below, doctors explain ...

It’s important to know that at first, multiple myeloma may not cause any symptoms. Usually, it is only suspected after a routine blood test shows an abnormality. After the disease has progressed, ...

A severe headache, fever, and stiff neck are common symptoms of early-stage meningitis. Using a glass test can help detect non-fading purple or red pin-prick spots on your skin. Quick treatment with ...

Most people can get all the iron they need by eating a nutrient-dense, well-rounded diet. But if you have inadequate iron intake, increased need, or impaired absorption, you may be at risk of low iron ...

Cabin fever describes psychological symptoms that can develop when you’re confined to your home for extended periods, such as during the COVID-19 pandemic. Common feelings include restlessness, ...