There are four main blood groups: A, B, AB, and O, which are determined by the presence or absence of certain antigens on the surface of red blood cells. Within these four groups, there’s an additional classification based on the Rh factor (Rhesus factor), making them either positive or negative. So, you could have A+, A-, B+, B-, AB+, AB-, O+, and O-. Thus, when we concider the Rh factor, it actually expands these groups to a total of eight possible types.
The Rh factor is just another protein present on the surface of red blood cells. If your blood cells have this protein, you’re Rh positive; if not, you’re Rh negative. It’s important because it can affect transfusions and pregnencies. For example, when a Rh-negative person receives Rh-positive blood, there’s a risk of an immune response, which is why blood typing is crucial in medical settings.
In terms of Siddha-Ayurvedic perspective, the relation of blood groups to bodily health isn’t directly touched on in traditional texts, but it’s interesting to draw parallels. For instance, balance in your dosha—vata, pitta, kapha—can affect your body’s ability to produce healthy blood and maintain prana through the nadis. Ensuring a proper diet and lifestyle suited to your dosha type helps maintain healthy sapta dhatus, including rakta (blood tissue).
Practical recommendations to maintain healthy blood, regardless of your blood type, include consuming herbs like guduchi and amalaki, which are known to purify blood and bolster overall health. You can also focus on a balanced diet tailored to your doshic profile, ensuring adequate hydration, and getting regular exercise to support agni.
Understanding your blood group is indeed valuable for emergencys and routine medical decisions, but ensuring your holistic health is supported by balancing your doshas remains a foundational approach in Siddha-Ayurveda.



