Nutrition

What Is the Blood Type Diet?

Physiotherapist Peter J. D’Adamo created the blood type diet.

D’Adamo claims that the foods you eat react chemically with your blood type. If you follow a diet designed for your blood type, your body will digest food more efficiently. You’ll lose weight, have more energy, and help prevent disease.

The four different blood types are one marker that can theoretically be used to determine the right diet for your health and vitality. The idea behind the diet is that eating foods with lectins (a type of protein) that are incompatible with a person’s blood type can cause blood cell clumping, called agglutination, and result in health problems such as heart or kidney disease or cancer. However, there is a lack of scientific evidence to support these claims.

D’Adamo also believes that a person’s blood type affects their ability to digest various foods due to differences in digestive secretions associated with the different blood types. People who are type O, for example, are thought to digest meat well due to high levels of stomach acid.

D’Adamo suggests that by following a meal plan designed for your specific blood type, you can digest food with greater efficiency, avoid the negative effects of certain lectins, and—in turn—lose weight and enhance your overall health.

_ What You Can Eat.

That depends on your blood type. Here’s what D’Adamo recommends for each type:

▪️ Type O blood:

A high-protein diet heavy on lean meat, poultry, fish, and vegetables, and light on grains, beans, and dairy. D’Adamo also recommends various supplements to help with tummy troubles and other issues he says people with type O tend to have.

Based on the blood type diet theory, people with type O blood do best with intense physical exercise.

According to D’Adamo, gluten, lentils, kidney beans, corn, and cabbage can lead to weight gain in people with this blood type. Health conditions associated with type O include asthma, hay fever, and other allergies, and arthritis.

▪️ Type A blood:

A meat-free diet based on fruits and vegetables, beans and legumes, and whole grains — ideally, organic and fresh, because D’Adamo says people with type A blood have a sensitive immune system.

According to D’Adamo, people with type A blood are predisposed to heart disease, cancer, and diabetes, and do better on an organic, vegetarian diet with calming, centering exercise, such as yoga and tai chi.

▪️ Type B blood:

Avoid corn, wheat, buckwheat, lentils, tomatoes, peanuts, and sesame seeds. Chicken is also problematic, D’Adamo says. He encourages eating green vegetables, eggs, certain meats, and low-fat dairy.

People with type B blood, according to D’Adamo, have a robust immune system and a tolerant digestive system, and are more adaptable than other blood types. He recommends moderate physical exercise and balance exercises, along with a “well-rounded” diet. According to the theory behind the diet, people with type B, however, are more susceptible to autoimmune disorders, such as chronic fatigue, lupus, and multiple sclerosis.

▪️ Type AB blood:

Foods to focus on include tofu, seafood, dairy, and green vegetables. He says people with type AB blood tend to have low stomach acid. Avoid caffeine, alcohol, and smoked or cured meats.

People with type AB blood are more biologically complex than other types, according to D’Adamo. Based on this belief, these people supposedly do best with a combination of the exercises and diets for types A and B, though meat should be limited. It is believed that this blood type tends to have lower rates of allergies, but heart disease, cancer, and anemia are common.

Like all fad diets, the blood type diet has positives and negatives. Here’s a closer look at the pros and cons.

Pros.

The blood type diet encourages exercise. Research shows that regular exercise combined with a healthy diet can lead to weight loss and promote weight management. However, there is no research to support the blood-type diet as an effective weight-loss strategy.

Each blood type plan emphasizes choosing whole foods over processed foods, which is a healthy choice The program also offers a wide variety of compliant foods for some of the blood types, which may make it easier to stick with.

Although each blood type comes with its own set of dietary restrictions, the program is not a low-calorie diet with unhealthy restrictions on calorie intake. Plans for types B and AB are more well-rounded and can provide most if not all of the necessary nutrients for a well-balanced diet. However, the plans for types A and O restrict certain healthy food groups, which is not a smart long-term eating plan.

Cons.

Eating for your specific blood type is not rooted in science. The available research on the blood type diet includes a study published in the journal PLoS One in 2014. For the study, 1,455 participants filled out questionnaires designed to determine how frequently they’d consumed certain foods during a one-month period.

In their analysis of the questionnaires, researchers found that following a diet similar to the diet prescribed for blood type A or blood type AB was associated with lower blood pressure and lower cholesterol levels.

Following a diet similar to the diet prescribed for blood type O was associated with lower levels of triglycerides (high levels of this blood fat have been associated with an increased risk of cardiovascular disease), while no significant association was found for the blood type B diet.

_ Health Benefits.

Proponents of the blood type diet claim that the program can help you burn fat more efficiently, increase your energy levels, support your immune system, and lower your risk of major health problems like heart disease and cancer. However, there is currently a lack of scientific evidence to support these claims.

In addition, there is no research to support that the blood-type diet is an effective weight-loss strategy.

References :

The Blood Type DietBy Stephanie Watson/ https://www.webmd.com/diet/a-z/blood-type-diet

What Is the Blood Type Diet?By Cathy Wong / https://www.verywellfit.com/the-blood-type-diet

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