Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 ...

DPD stands for dihydropyrimidine dehydrogenase. It is an enzyme the liver makes that helps the body break down thymine and uracil. Thymine and uracil make up part of the structure of our genes. Uracil ...

Vitamin deficiencies can have many unpleasant effects on the body, including hair loss (alopecia). However, there are many causes of hair loss besides nutrient deficiencies. The most common type of ...

B vitamins are eight distinct nutrients that support cell health and energy. Deficiency symptoms vary by type but may include fatigue, skin changes, nausea, irritability, and anemia. Vitamin B12 ...

Suzanne Fisher, RD, is a registered dietitian and licensed nutritionist with nearly 35 years of experience in evidence-based nutrition and exercise physiology. Vitamin B6 deficiency can cause mental ...

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 ...

According to the World Health Organization (WHO), malnutrition comes in three forms. One is undernutrition or hunger, caused by an insufficient intake of energy and protein. But other types of ...

Feeling cold can be due to a deficiency in certain B vitamins or iron, which causes anemia. Vitamin B12 and folate (vitamin B9) deficiencies lead to fewer red blood cells, making you feel cold. If you ...

Iron deficiency can cause symptoms like fatigue and headaches that affect your well-being. Recognizing these signs is vital for maintaining your health. 1. Fatigue and Exercise Intolerance Iron is ...