B12 Deficiency

Question 1

Causes

Answer 1

Atrophic gastritis, in which your stomach lining has thinned
Pernicious anemia, which makes it hard for your body to absorb vitamin B12
Conditions that affect your small intestine, such as Crohn’s disease, celiac disease, bacterial growth, or a parasite
Immune system disorders, such as Graves’ disease or lupus

Question 2

Symptoms

Answer 2

Weakness, tiredness, or lightheadedness
Heart palpitations and shortness of breath
Pale skin
A smooth tongue
Constipation, diarrhea, loss of appetite, or gas
Nerve problems like numbness or tingling, muscle weakness, and problems walking
Vision loss
Mental problems like depression, memory loss, or behavioral chang