Leena Watts
The Mediterranean diet has been linked to increased life expectancy and reduced risk of early death. Research suggests that the diet's high level of antioxidants and anti-inflammatory compounds have a protective effect against cancerous cell mutations and reduce the growth and metastasis of cancer cells. The diet is also associated with a lower risk of cardiovascular disease, with studies showing a reduction in cardiovascular events, such as myocardial infarctions, strokes, or death from heart causes, in high-risk patients. Additionally, the Mediterranean diet has been found to slow age-related memory loss and cognitive decline, with some research suggesting it may reduce the risk of age-related dementia progressing to Alzheimer's disease. The diet's impact on longevity is not limited to its nutritional components but also includes the Mediterranean lifestyle, which encompasses physical activity, social connections, and eating together.
| Characteristics | Values |
|---|---|
| Life Expectancy Increase | 13.0 and 10.7 years in males and females, respectively, when adopted at age 20 |
| 11.7 and 10.0 years for men and women, respectively, when adopted at age 40 | |
| 8.8 and 8.0 years for men and women, respectively, when adopted at age 60 | |
| 3.4 years for participants when adopted at age 80 | |
| Decreased Risk of Death | 8% |
| Decreased Risk of CVD | 9% to 52% |
| Decreased Risk of Total Mortality | 7% to 47% |
| Decreased Risk of Heart Disease | 30% |
| Decreased Risk of Recurrent Heart Disease | 50% to 70% |
| Decreased Risk of Cancer | Lower risk of breast, colorectal and prostate cancers |
| Decreased Risk of Type 2 Diabetes | N/A |
| Decreased Risk of Dementia | N/A |
| Decreased Risk of Bone and Muscle Loss | N/A |
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What You'll Learn
Mediterranean diet and heart health
The Mediterranean diet is primarily focused on plant-based, minimally processed foods, including fruits, vegetables, whole grains, beans, legumes, and nuts. It also includes low-fat or fat-free dairy, fish, poultry, and non-tropical vegetable oils like olive oil. Red meat and processed meat are limited, as are added sugars, sugary drinks, sodium, refined carbohydrates, and saturated fats.
This style of eating has been linked to improved heart health and a reduced risk of cardiovascular disease, including coronary heart disease, ischemic stroke, and heart failure. The American Heart Association specifically highlights the Mediterranean diet as a way to achieve a healthy dietary pattern and prevent heart disease. The diet's emphasis on olive oil may help remove excess cholesterol from arteries, improving cardiovascular health.
Research has found that adhering to the Mediterranean diet is associated with longer telomeres, the repetitive DNA sequences at the ends of chromosomes that are a reliable biomarker of aging. Shorter telomeres are linked to an increased risk of aging-related diseases, particularly cardiovascular diseases, while longer telomeres are associated with longevity. The Mediterranean diet's anti-inflammatory properties, due to its abundance of antioxidants, may also play a role in reducing stress-related inflammation, which can lead to oxidative damage and an increased susceptibility to disease.
The Mediterranean diet has been found to increase life expectancy by 13.0 and 10.7 years in males and females, respectively, when adopted at age 20. The increase in life expectancy decreases with age, but even when adopted at age 80, the diet is predicted to add 3.4 years to one's life. These findings highlight the powerful influence of diet on health and longevity.
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Mediterranean diet and cancer risk
The Mediterranean diet is rich in olive oils, fish, nuts, leafy greens and other vegetables, fruit, and whole grains. It is based on the traditional diets from Italy, Turkey, Greece, and other countries along the Mediterranean Sea. Research suggests that the Mediterranean diet can promote health in different ways. Regularly eating this diet could help lower the risk of heart disease, diabetes, dementia, and some types of cancer.
The Mediterranean diet is recognized as the best diet overall by U.S. News and World Report and is considered one of the easiest to follow over the long term. Dietitians and nutritionists often recommend a Mediterranean-style diet, which aligns with American Institute for Cancer Research (AICR) guidelines, to cancer patients as part of an overall healthy lifestyle. Research supports this recommendation. A 2017 review of studies concluded that a Mediterranean-style diet may help reduce the risk of several cancers.
A 2018 study published in Nutrients found that following the Mediterranean diet appears to counteract stress-related inflammation. Stress increases cortisol levels, which, in turn, increases inflammatory blood markers. This can turn into an inflammatory storm, which can lead to oxidative damage by free radicals, hormone imbalances, and a worn-out immune system that's more susceptible to disease. Research published in 2019 in Nutrients pointed to the diet's high level of antioxidants and anti-inflammatory compounds as having a protective effect against cancerous cell mutations. Additionally, these compounds can reduce the growth and metastasis of cancer cells.
A Harvard study published in August 2023 showed that following a Mediterranean diet may lower your risk of dying from any type of cancer by 28 percent. It’s the first study of its kind to find a link between action and outcome. A hospital study published in March 2023 of 150 Iranian women found that postmenopausal women who followed a Mediterranean diet lowered their risk of breast cancer by as much as 77 percent. A long-term study of 120,852 men and women whose eating habits were followed for 20 years concluded that eating a Mediterranean diet may reduce the risk of lung, postmenopausal breast, esophageal and stomach cancers.
The Mediterranean diet has been well established by research to be one of the best options for cancer survivors due to its benefits, including patients feeling better overall and living longer. A Mediterranean diet may help cancer survivors live longer, according to an Italian study. Sticking to this diet can help people feel better and stay healthier.
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Mediterranean diet and brain health
The Mediterranean diet has been linked to a longer life expectancy and improved brain health. Researchers at Brigham and Women's Hospital (BWH) found that the diet's emphasis on fresh plant-based foods, fruits, vegetables, whole grains, and nuts, rich in antioxidants, can slow age-related memory loss and cognitive decline.
The Mediterranean diet's anti-inflammatory properties can protect against cancerous cell mutations and reduce the growth and metastasis of cancer cells. The diet may also lower the risk of recurrence and mortality for certain cancers. Additionally, the diet has been associated with a reduced risk of Alzheimer's disease and slower cognitive decline, making it a potential preventive approach against dementia.
The diet's positive impact on brain health may be due to specific gut bacteria and short-chain fatty acids, which contribute to gut health and exhibit anti-inflammatory effects, protecting neuronal function and enhancing cognitive function.
The Mediterranean diet's benefits extend beyond brain health, as it has been linked to a significant decrease in overall mortality, particularly from cardiovascular and chronic diseases. The diet's collective synergy of components, including antioxidants, phytochemicals, omega-3 fatty acids, and fiber, contributes to its positive effects on health and longevity.
While the Mediterranean diet has shown promising results, it is important to note that diet is just one component of a healthy lifestyle. Engaging in physical activity and adopting other healthy habits are also crucial for maintaining overall well-being and brain health as we age.
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Mediterranean diet and physical activity
The Mediterranean diet has been linked to a longer life expectancy. It is associated with a lower risk of cardiovascular and cancer death, as well as slower age-related memory loss and cognitive decline. The diet is rich in plant-based foods, such as fruits, vegetables, whole grains, and nuts, and is known for its anti-inflammatory properties due to the abundance of antioxidants.
Physical activity is an important component of the Mediterranean lifestyle. Moderate physical activity is recommended, which can include a combination of light, moderate, and vigorous activities. For example, light activities such as walking or gardening, moderate activities like bicycling or hiking, and vigorous activities such as jogging or aerobic dancing.
The combination of the Mediterranean diet and physical activity has been associated with a reduced risk of Alzheimer's disease. Higher adherence to the Mediterranean diet, along with increased physical activity, has been linked to a lower likelihood of developing Alzheimer's dementia. The diet's anti-inflammatory properties and the stress-relieving effects of physical activity may contribute to this reduced risk.
In addition to the cognitive benefits, the Mediterranean diet and physical activity have broader implications for overall health and longevity. The diet has been linked to a decreased risk of cardiovascular disease (CVD) and total mortality, while physical activity further reduces the risk of age-related health issues and contributes to a longer life expectancy.
The Mediterranean diet and physical activity have a synergistic relationship, and their combined impact on health is greater than the sum of their parts. This suggests that adopting both the Mediterranean diet and a physically active lifestyle can have powerful effects on overall health and longevity.
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Mediterranean diet and social connections
The Mediterranean diet has gained significant attention due to its positive effects on health and taste. It is not just a combination of healthy foods but also encompasses historical and cultural roots. In 2010, it was recognised by UNESCO as an Intangible Cultural Heritage of Humanity, highlighting its social and cultural expression.
The Mediterranean diet is characterised by the consumption of fruits, vegetables, olive oil, whole grains, legumes, nuts, seeds, herbs, spices, fish, and moderate amounts of red wine. It also includes social aspects such as conviviality and hospitality, which were valued in ancient Greek culture. Eating together and sharing meals with loved ones are important components of the Mediterranean lifestyle, fostering social connections and interactions.
The Mediterranean lifestyle extends beyond food choices to include food preparation, harvesting, eating locally and seasonally, and socialising with people from all age groups and social classes. It encourages physical activity, regular rest, and strong social connections. These aspects contribute to a holistic approach to health and well-being.
Research has found that adults in the UK who adopted a Mediterranean lifestyle had a lower risk of dying from any cause, including cancer and cardiovascular disease. This suggests that the Mediterranean approach to social connections and community plays a significant role in enhancing overall health and longevity.
The Mediterranean diet and social connections are deeply intertwined. By embracing the social aspects of sharing meals, valuing hospitality, and fostering community connections, individuals can enhance their overall well-being and potentially increase their life expectancy. This holistic approach to health and social interaction is a key characteristic of the Mediterranean lifestyle.
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Frequently asked questions
Yes, according to numerous studies, the Mediterranean diet is associated with a longer life expectancy and reduced risk of early death.
The Mediterranean diet increases life expectancy by 13.0 and 10.7 years in males and females, respectively, when adopted at age 20. When adopted at age 40, it increases life expectancy by 11.7 and 10.0 years for men and women, respectively. At age 60, it increases life expectancy by 8.8 and 8.0 years for men and women, respectively, and by 3.4 years for participants when adopted at age 80.
The Mediterranean diet is rich in antioxidants, phytochemicals, omega-3 fatty acids, polyphenols, and fiber, which have been shown to have a protective effect against cancerous cell mutations and reduce the growth and metastasis of cancer cells. The diet also helps to keep inflammation under control, which can lead to a reduced risk of heart disease, type 2 diabetes, and other age-related diseases. In addition, the Mediterranean diet has been shown to slow age-related memory loss and cognitive decline and is associated with better bone health and muscle mass in postmenopausal women.
