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During the last few years, the concept of eating right for blood type has received tremendous reviews. Especially, celebrities such as Liz Hurley find this diet an ideal solution for weight loss, maintaining a great body and experience a sense of perfect health and happiness.
Origin of Blood Type Diet – How to determine what diet is right for what blood type? For this, Dr. D’Adamo had primarily relied upon the history of blood types. According to him, different blood types originated among people at different time periods in history to facilitate humans to adjust to different environmental conditions. Accordingly, it seems the eating habits and living styles of people changed. Dr. D’Adamo went back to those periods, researched on the foods and exercises that were followed by our ancestors at that time and made his recommendations.
Listed below are some important historical aspects about different blood types.
•Blood Type O history – Type O seems to be the earliest of the blood types thought to have originated between 50,000 and 25,000 B.C, when everyone had the same blood type. During this period, early humans were primarily nomadic, used to live in caves and their primary occupation was hunting. These ancestral human prototypes were predators and mostly thrived on meat-based diet. To survive with this lifestyle, these people were required to be powerful, productive, and agile. In fact, their digestive system also was adapted in such a way to process meat effectively and efficiently. Even now, Type O is one of the most commonly found blood types on the globe. As per eating right for blood type theory, Type O diet should primarily comprise of high protein, moderate carbohydrate, and low fat content. In addition, these people even need to follow a rigorous physical exercise regimen to stay fit and healthy.
•Blood Type A History – This blood type is one of the earliest blood groups thought to have evolved somewhere between 25,000 B.C and 15,000 B.C. Earlier to this period, all the ancestral human prototypes used to have a similar Type O blood group. These early humans were living in the plains of Africa, used to hunt animals and feed on their meat for their survival. However, a certain group of individuals had a feeling that their living conditions were extremely tiring and dangerous. As these groups were nomadic, they started migrating towards Europe and Asia, where they initiated the practice of cultivating grains and domesticating animals, thereby leading to evolution of an organized and stable civilization. Blood group A seems to have originated during this period in order to facilitate easier adaptation of people to changing conditions, environment, and lifestyle. Carbohydrates became the primary source of nutrition and energy. Accordingly, the digestive structure of these individuals had undergone modifications to suit their dietary requirements. Since their digestive systems contain low levels of hydrochloric acid, intestinal alkaline phosphatase and other dietary enzymes, Type A individuals are extremely inefficient in digesting animal proteins, diary products and fats. As per eating right for blood type theory, their diet normally comprises of fresh vegetables, fruits, cereals, and grains.
•Blood Type B history – According to researchers, evolution of type B blood occurred due to mutations that happened some centuries ago within people living in the Western Himalayan region. These people who were earlier living in the hot and humid climates of Africa gradually migrated towards temperate and cold climatic regions. Type B blood type originated as a mechanism to facilitate their survival amidst these varying climatic conditions. As per records, this trait was first observed in Caucasians and Mongolian tribes living in and around the Ural Mountains in Asia. Gradually, this genetic trait spread to people living in other geographical regions through migrating and nomadic tribes. At present, type B blood is the most commonly found blood type in the world, particularly in the European and Asian countries including Germany, Austria, China, Japan, Mongolia, Korea, and India. Under eating right for blood type concept, “B” means balanced. These individuals primarily have to consume diet that is rich in proteins and carbohydrates.
•Type AB history – This is one of the most recent blood types thought to have originated some centuries ago when people with Type A intermingled with Type B individuals. Since such a fusion was a rare occurrence, Type AB is the rarest blood groups found in approximately 5% of individuals. The most intriguing character about individuals with Type AB blood type is that their body systems can behave as of Type A or Type B according to the environment. Accordingly, even their dietary habits are a mixture of A and B. Eating right for blood type suggest Type AB diet normally should include high amounts of fruits and vegetables, moderate amounts of animal protein, fish and dairy and extremely low amounts of fats and oils.