Ashtanga Hridayam is an ancient Indian medical text that is considered one of the most authoritative and comprehensive treatises on Ayurveda. The text is attributed to the legendary Indian physician, Vagbhata, who is said to have written it in the 7th century CE. Ashtanga Hridayam is a Sanskrit text that consists of 180 chapters and over 6,000 verses, making it one of the longest and most detailed medical texts of ancient India.