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A Healthy Lifestyle Equals Healthy Mental Wellbeing

Discover the importance of adopting a healthy lifestyle for improved physical and mental well-being. Explore tips on nutrition, exercise, sleep, stress management, and self-care practices to enhance your overall health and vitality.

Clearhead Tip: A healthy lifestyle is maintained through healthy eating, being active and avoiding unnecessary stress. It’s important to eat anti-inflammatory foods because it can improve your mood and decrease stress and anxiety when your gut is inflamed. These are food such as leafy greens, olive oil, nuts, and fatty fish.

The Science
Hautekiet, P., Saenen, N.D., Martens, D.S., Debay, M., Van der Heyden, J., Nawrot, T. S., & De Clercg, E. M. (2022). A healthy lifestyle is positively associated with mental health and well-being and core markers in ageing. BMC Med 20, 328. https://doi.org/10.1186/s12916-022-02524-9

Health Navigator New Zealand. (2022b, October 1). Mental health and your body | Health Navigator NZ. https://www.healthnavigator.org.nz/healthy-living/m/mental-health-and-your-body/

If you haven’t heard the term ‘lifestyle as medicine’ listen up.

Chronic lifestyle diseases, like obesity, type II diabetes and heart disease are largely the result of poor nutrition and a lack of physical activity and exercise. There is more evidence supporting this than I can write in a blog but see the link for ‘the science’ below for evidence that supports this statement.

Lifestyle diseases are the leading cause of death in the modern world. Cardiovascular disease and cancer represent more than half of all deaths in the U.S. Obesity and type II diabetes are strongly associated, and also increase your risk for developing cardiovascular disease and cancer.

Lifestyle Medicine consists of recommendations aimed at allowing people to live longer healthier lives, with an improved quality of life. Key recommendations include:

  • Healthy eating
  • Healthy weight
  • Active living
  • Avoidance of stress

As with previous blogs, lifestyle medicine supports a whole-food, plant-based diet full of nutrient-rich foods. Foods such as leafy greens, vegetables, fruits, legumes and whole grains should make up a large part of the diet. A whole-food, plant-based diet also minimises animal-based products, processed foods with added sugar, salt and oil. Plant-based diets have strong evidence in reducing the risk for developing cardiovascular disease and some cancers. A plant-based diet is also one that is anti-inflammatory. Inflammation is associated with obesity and diabetes.

Inflammation, Obesity, Diabetes, Cardiovascular Disease & Cancer


The world we live in promotes inflammation, and inflammation is a characteristic of almost all chronic diseases.


Two thirds of the Western world are either overweight or obese. Obesity is an inflammatory disease, with obese people more likely to live in a chronic (long term) state of inflammation.


Diabetes rates continue to rise around the world and diabetes is a major risk factor for developing cardiovascular disease. Diabetes is also an inflammatory condition. While reducing refined sugar is an important strategy in the management of type II diabetes, less attention has been paid to the impact of protein on type II diabetes. Recent research demonstrated that vegans had the lowest risk of type II diabetes and that by just substituting 5% of calories from animal (meat and dairy) protein to plant protein, resulted in a 23% reduced risk of diabetes. In general, multiple studies show that a plant-based diet can significantly reduce the risk for type II diabetes.

Cardiovascular Disease

Cardiovascular disease is the leading cause of death in the U.S. with almost 1 in 3 people dying from cardiovascular disease in New Zealand. There are a large number of studies that show a plant-based diet can not only reduce the risk for developing cardiovascular disease but can actually reverse the condition – something medication is unable to provide. Reducing the amount of red meat eaten seems to have a particularly strong effect in reducing cardiovascular disease risk. In addition, reducing processed foods, added sugars, salt and fat also promote cardiovascular health.


Worldwide, cancer is a leading cause of death. Colorectal cancers have been linked to inflammation; obesity has been linked to the development and progression of prostate cancer, and obesity has also been linked to the development of breast cancer. Diets that are low in fibre promote inflammation, and as we see from the above, inflammation is associated with all these lifestyle diseases.

Diet Recommendations

An anti-inflammatory diet is one that consists of:

  • Leafy greens, vegetables, squash, garlic, mushrooms
  • Fruits such as banana, pomegranates
  • Legumes such as green beans, lentils, soybeans, sugar snap peas
  • Whole grains such as quinoa, wheat, oats, rice, pasta, barley, corn
  • Seeds such as flax, chia, pumpkin, sesame
  • Plant-based dairy such as soy, almond and rice milk

Foods that may promote inflammation include:

  • Meat: beef, pork, lamb, chicken, turkey
  • Processed meats: ham, bacon, salami, turkey, chicken
  • Animal dairy – milk, cheese, yoghurt, kefir, sour cream, cottage cheese, butter
  • Sugar substitutes and refined sugars
  • Processed foods: refined grains (white breads, cookies, fried potato chips)
  • Soft drinks, alcohol.

To live a longer, healthier life, free of preventable disease, focus on eating well (a plant-based diet), exercising daily, maintaining a healthy weight and reducing stress. The lifestyle diseases discussed above can be at least reduced, if not reversed, with lifestyle as your medicine.

The Science

Lifestyle Medicine Link

Bodai BI, Nakata TE, Wong WT, et al. Lifestyle medicine: A brief review of its dramatic impact on health and survival. Perm J 2018;22:17-025. DOI: https://doi.org/10.7812/TPP/17-025

Malik VS, Li Y, Tobias DK, Pan A, Hu FB. Dietary Protein Intake and Risk of Type 2 Diabetes in US Men and Women. 2016. Am J Epidemiol. 183(8):715-728.

The Heart Foundation New Zealand, Statistics, accessed 10th May 2021. https://www.heartfoundation.org.nz/statistics.

If you are not in immediate danger but require crisis support:  mentalhealth.org.nz
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If you are not in immediate danger but require crisis support:  healthdirect.gov.au