Generally, type O blood type survives better on the ‘hunter-gatherer diet’ as suggested by D’Adamo. D’Adamo proposed that blood types should be taken into consideration when embracing a diet - hence, the blood types diet. Different blood groups react differently to certain types of foods and the lectins present in them. Lectin can attach to cells inside the body causing these cells to be clustered, which can ultimately lead to disruptions of the hormones. This protein can be found in different foods and it has a powerful effect on the digestive tract and blood. The chemistry between diet and blood types as propagated by D’ Agamo, a naturopath who is a strong supporter of blood type diets, suggests that a chemical reaction happens when blood comes in contact with certain types of food, specifically with the protein lectin. The O negative blood type, although widely appreciated for its versatility, is however unique and scarce as only a few people in the world possess this universal donor blood type. However, although it can be used during transfusions for diverse blood types, someone with the O negative blood type can only receive this same type of blood. This blood type is like a ‘lifesaver’ because it is regularly used in cases of emergency, surgery, trauma, or any situation at all, where a victim’s blood group cannot be quickly detected. O is commonly referred to as the universal blood type, and it is frequently used for blood transfusions when the person’s blood group is unknown. If a person has the O negative blood type, it means that their blood is both missing B and A antigen and does not contain the protein that can make it qualify for a RH positive blood. This is why we have different blood types: B+, B-, A+, A-, O+, O-, AB+, and AB. Being a negative or positive blood type is determined by whether the person’s blood has a certain protein or not. The presence of A or B antigen, one of A or B antigens, or neither of the antigens determines your blood type. This is to show that blood groups are important and diets for them should not be overlooked.
Another research implied that people belonging to any of the blood groups A, B, or AB are at an increased risk of developing coronary heart disease.
For example, a study carried out in 2019 stated that people with blood type A and AB have a higher tendency of developing gastric cancer than other blood groups. It is known that diverse blood types might make people more prone or less prone to certain health conditions. This is why blood types play an important role in determining what kind of foods should be avoided or eaten.
Embracing a diet that is suitable for your blood type can garner you a better understanding of your metabolism. Blood types are not just important for blood transfusion they can ultimately help promote overall well being. Contrary to most opinions that suggest that blood types do not matter when it comes to food consumption, the actual fact is that your blood type is an important marker that plays an important role in the diet.
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