Buqrat (Hippocrates; 460-370 BC) is certified for the appliance of Akhlāṭ Arba‘a
in medicine. Jalinoos (Galen) put forth this theory and applied it in its patho-physiology. He also assumes Arkān
based theory of the four Akhlāṭ
(Black bile), and blood is the mixture of all four Khilṭ
(Humour) in which every Khilṭ
participate in different but definite manner.
Purpose: The attempt is to make the existence of Khilṭ Dam on the basis of current scientific scales.
Methodology: Classical Unani literature and the information of blood of past and recent advancement will be analyzed to reach the conclusion.
Conclusion: Blood of human is also as same as that of first human. The view and knowledge gets improvement with acceptably proven changes in their form with the advancement of time. The theory of Akhlāṭ and the description of them are scientific. If anything changes, it is the view to see the things.