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

Learn how to spot vitamin B12 deficiency symptoms early and find the best ways to incorporate it into your daily routine.

Neurological symptoms of Vitamin B12 deficiency may be irreversible ... Homocysteine is an amino acid created from the breakdown of protein. High levels of this amino acid is a risk factor ...

Signs Your Blood Sugar Levels ... high blood sugar, your cells may not be getting the energy they need. This can trigger constant hunger as your body tries to compensate. Recognizing the symptoms ...

Most people get enough vitamin B12 through the foods they eat or beverages like energy drinks that have high levels of B12 ... characterized by symptoms such as muscle weakness and fatigue. Damage to ...

Dear M.P.: Pernicious anemia (PA) is an autoimmune disease where the body destroys the cells in the stomach that make ...

You may be more likely to have noticeable symptoms if you have high cortisol levels for a long time. One of cortisol's jobs is to regulate your metabolism. High cortisol levels can disrupt your ...

Both high and low levels of cortisol -- also known as the "stress hormone" -- can leave you dealing with symptoms that make you feel "off" and unlike yourself. Fortunately, there are steps you ...

If your vitamin B12 levels are mildly low, you may not experience any symptoms or fail to notice them. But if these levels remain low for an extended period of time, it can cause nerve damage ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the ...