A new study into pagophagia sufferers links the craving to low haemoglobinPatients suffering from pagophagia compulsively crave and chomp on ice, even scraping buildup off freezer walls for a fix. The disorder appears to be caused by an iron deficiency, and supplements of the mineral tend to ease the cravings. But what is it about ice that makes it so irresistible?A study proposes that, like a strong cup of coffee, ice may give those with insufficient iron a much-needed mental boost. Fatigue is the most common symptom of iron-deficiency anaemia, which occurs when the body can’t produce enough oxygen-carrying haemoglobinbecause of low iron. Continue reading…