What is anacardia?

As an AI language model, I do not have any information about a medical condition called 'anacardia'. However, if this refers to an absence or lack of a heart, it should be noted that anacardia is a rare condition that is incompatible with life, as the heart is a vital organ that is necessary for the circulation of blood and oxygen throughout the body. Babies born with anacardia usually die during childbirth, or shortly after.