Home > Medical > Anaemia Athletes: could you be iron-deficient? Athletes who are involved in heavy training may be prone to iron deficiency, which can lead to iron deficiency anaemia, a number of studies have found. What is anaemia? Anaemia is a lack of red blood cells, resulting in a number of symptoms. Iron-deficiency anaemia Iron deficiency is the most common cause of anaemia. Latest in Anaemia Your period and anaemia – what you should know Heavy periods can cause iron deficiency anaemia. When should you be worried? An app, your fingernail – and anaemia screening is done Scientists have developed a wireless smartphone app that checks for anaemia by 'reading' a photo of a fingernail. Gene therapy for sickle cell takes another step forward A new therapy targets the genetic flaw that causes sickle cell anaemia, a devastating disease that often causes early death. load more Your Anaemia Guide Anaemia is a disorder in which your blood has a lower than normal number of red blood cells and can be symptomatic of an iron deficiency. Anemic signs include chronic fatigue, shortness of breath and dizziness. Some kinds of anaemia can be treated by increasing one's iron intake through supplementation whereas other types are more resistant to treatment. Find out more about the symptoms, causes and treatment of anaemia and fatigue here. What is anaemia? The different types of anaemia Symptoms of anaemia What causes anaemia? Risk factors for anaemia How is anaemia diagnosed? How is anaemia treated? How can anaemia be prevented? From our sponsor Iron is absorbed in the small intestine How is iron absorbed by the body?