How can Indians live longer? We need the Blue Zone diet – ThePrint

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The World Health Organizationreportedthelife expectancy of an Indian to be 70.8 yearsin its 2019-20 report. Over the lasttwocenturies, Indias life expectancy has increased consistently but is still lower than the global averageof73.4 years.

Human life expectancy depends on multiple factors.A 2018review studyassessing life expectancy in low and medium human development index countries investigated health indicators of83 nations from the World Bank, WHO, United Nation Development Fund and UNICEFdatabases. The authors reported socio-economic status, healthcare system, adult literacy rate, disease burden, andthe interaction of these factorsas major determinants of life expectancy.

Unhealthy food choicesand associated risks are among the leading causes of death globally.According totheWHOs latestfactsheet(13 April 2021), noncommunicable diseases (NCDs) contribute to 71per centof global deaths. Annually, around 15 million peoplebetween30and60 years ofagedie prematurely from NCDs85per centofthese deathsare from lower and middle-income countries. Cardiovascular diseases are the most prevalent cause of death acrossthe world, followed by cancers, respiratory diseases, and diabetes. These four groups alone are responsible for 80per centof all premature deaths. Potential risk factors for NCD include lack of physical activity, poor dietary choices, excessive consumption of alcohol, tobacco, stress, etc.

Also read: Women in India live longer than men but dont have healthier lives, finds new report

A2020 studyby Manika Sharma and colleagues comparingtheIndian diet with the EAT-LancetCommissionreference diet included samples from1.02 lakhhouseholdsinIndia and found that whole grains were contributing significantly more calories than the EAT-Lancet recommendations, whereas the consumption of fruits, vegetables, legumes, meat, fish and eggs were much lower. Protein share was only 6-8per cent,compared tothe 29 per cent recommendation.These outcomes were independent of the socio-economic status of Indian households.Even the rich Indians werenot found to consume optimum amounts of fruits, vegetables, and proteins in their diet. In fact, an average Indian household consumesmore calories from processed foods than fruits. Authors concluded the average Indian diet as unhealthy, lacking essential food groups.

Another national-levelcross-sectional surveyin2017-18 bythe National NCD Monitoring Surveystudiedthe prevalence of risk factors in 12,000 Indianadults.Itrevealedthat32.8per cent of respondentsused tobacco, 15.9per centconsumed alcohol, 41.3per centwere not physically active, 98.4per centconsumed less thanfiveservings of fruits and vegetables per day. The study also reported an elevated risk of blood glucose and cardiovascular diseases among participants.

Also read: In Indias booming junk food market, there is little room for nutrition

Blue Zones, aconceptdeveloped by National Geographic Fellow and author Dan Buettner, are thefiveregions of the world where people live longer, lead physically and mentally healthy lives,and aremore active compared to the rest of the world. Tolive longer, the Blue Zones adoptednineevidence-based lifestyle modalities that arethought to slowthe ageing process, diet being one of the most importantcomponents.

The Blue zone diet is wholeandmostly plant-based.Ninety five per centof the daily Blue zone diet is composed of vegetables, fruits, whole grains, beans, legumes, nuts, olive oil, berries, oats, and barley. The diet recommends avoiding meat and dairy, sugary drinks, with no room for processed foods.

In contrast to the standard diet composition,Sardinia, one of five Blue Zones,followsa variation of the Mediterranean diet that includes all Blue Zone food groups along with moderate intake of fish and fewer intake of dairy, alcohol, and red meat.

Plant-based Blue Zone diets are rich in antioxidantsandanti-inflammatory polyphenols, which are reported topreventchronicillnessessuch as obesity, diabetes, cancer, and cardiovascular disease.

A 2015reviewby G.M. Pes and colleagues mapped historical evidence linked to male longevity among the Sardinian population and found that an inter-community nutrition transition to consuming more fruits and vegetablesandmoderate consumptions of meat led to significant health benefits to the ageing population by reducing mortality risk.

However, a wholesome, nutritious, antioxidant-rich diet isnt the only secret behind the Blue Zone longevity. Thepeopleliving therealso engagein high levels of physical activity, have low-stress levels, more social engagement, and a sense of well-being.

Eating like a Mediterranean is recommended as a part of longevity diet for the Indian population that includes more raw fruits and vegetables in salads; whole grains instead of polished rice; legumes, pulses, and beans in form of sprouts, salads, less spicy curry; healthy fats from nuts, seeds, olive oil, coconut, and avocado; along with limited intake of meat and sweets.

All processed foods like refined sugar, refined wheat flour, biscuits, instant noodlesshouldbe gradually eliminated from the daily diet.

Also read: Two-third Indians with non-communicable diseases fall in 26-59 age group, survey finds

Include these elements of the Mediterranean diet in your meals:

-Oats, barley, jowar, bajra, ragi, kodo millets, quinoa

-Dark green leafy vegetables like spinach, lettuce, drumstick leaves

-Nutslikealmonds, walnuts, figs

-Seedslikeflax, chia, pumpkin, sunflower, beans

-Legumeslikenavy beans, fava beans, chickpeas, lentils

-Dairyproducts likelow-fat cheese, yogurt, milk

-Fishlikesardines, salmon, trout, sea fishes

-Herbs and spiceslikemint, rosemary, sage, garlic, thyme, basil, and oregano.

To summarise, a vibrant, nutritious eating plan along with regular physical activity, sound sleep, and stress-free life is the key to acquiringa disease-free, long life.

Indians can start practising this one day at a time.

Dr Subhasree Ray is Doctoral Scholar (Ketogenic Diet), certified diabetes educator, and a clinical and public health nutritionist. She tweets @DrSubhasree. Views are personal.

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How can Indians live longer? We need the Blue Zone diet - ThePrint