Anaemia is a disease of the blood. Anaemia is characterized by a deficiency in red blood cells or in the concentration of hemoglobin in the body. These deficiencies are caused by either decreased production or increased destruction of blood cells. Anaemia is most common among women in their reproductive years, infants, and the elderly. Because one of the major functions of red blood cells is to transport oxygen, a decrease in red blood cells decreases the amount of oxygen delivered to the body"s tissues, which results in the symptoms of anaemia. Iron deficiency anaemia is the most common form of...
of vitamin B12 come from the diet in animal products, including dairy and eggs. Causes of vitamin B12 deficiency include a strict vegetarian diet excluding all meat, fish, dairy products, and eggs and chronic alcoholism. Anaemia of B12 deficiency that is caused by a poor diet can be prevented through a well-balanced diet. Use of vitamin B12 injections can prevent deficiency after surgeries known to result in vitamin B12 deficiency.

There is a great difference between individuals as to when symptoms of anaemia develop. Some common symptoms are:

Tiredness

Shortness of breath

Paleness

Lightheadedness

Headache

Heart palpitations and chest pain