Living a long and a healthy life is a cherished goal for many. Dan Buettner, who first discovered the blue zones, where people live the longest lives, recognised that one of the main factors of not just a long life, but a healthy one is the diet. There are documentaries too that have explored this topic. A Netflix documentary called Live to 100: Secrets of the Blue Zones, which revealed the lives of Centenarians, those who live 100 years or more. Studies reveal that a shared lifestyle patterns, and dietary habits is what benefits them.

What Are The Blue Zones?

"Blue Zones" include Okinawa, Japan; Ikaria, Greece; Sardinia, Italy; Nicoya Peninsula (Costa Rica); and Loma Linda, California.

It is true that centenarians can be found worldwide, but those in Blue Zones, share a common lifestyle habit. They prioritize in staying active, fostering close community ties, and maintaining a positive attitude. The diet, is something we all can learn and include in our lifestyle too.

"Blue Zones" are geographic areas with lower rates of chronic diseases and longer life expectancy. This is possible because of their diet, fasting, exercise, along with other factors. This term was first used by author Dan Buettner, who studied the areas of the world where people lived exceptionally long lives. He called them the "Blue zones", because when Buettner and his colleagues were searching for these areas, they drew it with a blue circles around them on the map.

The Centenarian Diet:

Legumes: It includes beans, peas, lentils. These are fiber-rich foods, that helps regulate cholesterol and blood sugar levels. It reduces the risk of chronic diseases such as heart disease and cancer. Their plant-based protein content makes them a nutritious and versatile addition to meals.

Olive Oils: A staple in Mediterranean diets, olive oil is prized for its healthy unsaturated fats, which support cholesterol balance. Rich in antioxidants like vitamin E and plant compounds, olive oil reduces inflammation and lowers the risk of chronic illnesses.

Nuts and Seeds: These are packed with unsaturated fats, vitamins, and minerals. The antioxidant content supports heart health and reduces inflammation. Centenarians' diets often include these nutrient-dense foods as snacks or meal components.

Tea: Its antioxidant-rich compounds boost immune, heart, and brain health. Regular tea consumption is linked to improved metabolic and digestive functions.

Seafood: Centenarians tend to eat less red meat and more seafood, particularly fatty fish rich in omega-3 fatty acids. These nutrients combat inflammation and enhance brain, heart, and immune health. The proximity of many Blue Zones to oceans influences this dietary preference.

Whole Wheat: Whole grains, including sourdough bread, are common in centenarian diets. Rich in fiber, B vitamins, and minerals, whole grains lower the risk of cardiovascular diseases and cancer. Sourdough fermentation enhances digestibility and supports stable blood sugar levels.

Sweet Potatoes: They are loaded with fiber, potassium, and vitamins A and C, which bolster immune and heart health. Regular consumption of sweet potatoes supports metabolic balance.

Turmeric: Its active compound, curcumin, is known for its anti-inflammatory properties. Turmeric promotes brain health and reduces the risk of chronic diseases, making it a valuable addition to meals.

Black coffee or an espresso shot is not everyone’s cup of tea, but for those who are already in love with it, giving it up can be difficult. This drink is a favourite among weight watchers, fitness enthusiasts, and especially people with type 2 diabetes. Diabetics, in particular, are often recommended black coffee because it contains almost zero calories per cup. Not only does it boost stamina, but it also works well to aid weight loss and manage blood sugar levels. Experts say that drinking three to five cups of black coffee a day can help boost levels of polyphenols, and these findings were published in the International Journal of Molecular Sciences.

Is coffee beneficial for diabetics?

For this, researchers compiled data from 149 publications and examined the effects of coffee on metabolic processes and the consequent development of type 2 diabetes. Researchers focused on five hydroxycinnamic acids in coffee and analysed the effects of polyphenols on the pancreas, small intestine, muscle, liver, and tissues. The analysis also showed that black coffee can help regulate blood sugar levels, have an anti-inflammatory effect, enhance insulin sensitivity, and improve glucose metabolism.

The study results were similar for both caffeinated and decaffeinated coffee, indicating that the benefits were derived from compounds other than caffeine. This was associated with a 20–30 per cent lower risk of type 2 diabetes in regular coffee drinkers. Researchers stated that further studies are required, but the benefits of drinking black coffee are evident.

What are the benefits of drinking coffee?

Bioactive compounds such as hydroxycinnamic acid derivatives and chlorogenic acid are found in coffee, and they have the potential to help prevent and manage type 2 diabetes. Researchers also found that coffee can be an integral part of a healthy lifestyle. However, experts expressed concern about the real-life applications of these findings.

The impact of coffee on type 2 diabetes risk

Black coffee essentially consists of coffee beans and hot water. One cup contains approximately three calories, making it ideal for weight loss purposes. Coffee beans contain about 200 compounds, most of which are beneficial for health. When consumed together in the form of black coffee, these compounds may have a combined beneficial effect. Therefore, these anti-inflammatory, weight loss-friendly, and blood sugar-related benefits make it a healthy choice for people with diabetes.

How should a diabetic drink black coffee for blood sugar management?

Dr Rajiv Kovil, Head of Diabetology and weight loss expert at Zandra Healthcare, said: “Black coffee can help people with diabetes if used in the right way. It has almost no calories, no sugar, and a very low glycaemic impact due to its low glycaemic index, so it does not spike blood sugar. It also contains natural compounds such as caffeine and antioxidants that may slightly improve insulin sensitivity and metabolism. In practice, we often see better sugar control when patients replace sugary drinks with plain black coffee. However, it is not a treatment or a magic solution. Too much coffee can disturb sleep, increase stress hormones, and actually worsen sugar control. The key is moderation — one to two cups a day, without sugar or cream. Think of black coffee as a supportive habit, not a replacement for medicines, diet, or exercise. Good diabetes care still depends on a structured, scientific approach, with coffee playing only a small but helpful role.”

Not eating junk food is a common reassurance many people offer when discussing their eating habits, often with a sense of confidence that their lifestyle is on the healthier side. Salads, fruit juices, brown bread, and low-fat snacks usually replace what is typically labelled as ‘unhealthy’.

However, despite these conscious choices, an increasing number of youngsters are being diagnosed with fatty liver disease. This raises an important question: if junk food isn’t the problem, then what is?

The answer often lies in what goes unnoticed. Hidden sugars, quietly present in foods marketed as healthy, are becoming a major but overlooked contributor.

What is NAFLD?

Fatty liver disease, or non-alcoholic fatty liver disease (NAFLD), is a condition in which excess fat builds up in the liver in people who consume little to no alcohol. Often referred to as a silent disease, it may not show clear symptoms in its early stages, but when it does, signs include persistent fatigue, mild discomfort in the upper right abdomen, unexplained weight gain, and abnormal liver function tests.

It is largely influenced by metabolic factors such as high sugar intake, obesity, insulin resistance, sedentary lifestyle, and diets rich in refined carbohydrates and processed foods. What makes this risk more concerning is the subtle presence of hidden sugars in everyday healthy foods.

How Hidden Sugars In Healthy Diets Are Driving Fatty Liver

What may appear as a balanced and “healthy” diet can often conceal hidden sugars that, over time, contribute significantly to the risk of fatty liver disease. It is important to know that:

• Healthy packaged foods aren’t always healthy: Breakfast cereals, granola bars, flavored yogurt, and protein snacks often carry added sugars that go unnoticed.
• Fruit juices can be misleading: Packaged juices often have high sugar content without fiber, making them harder for the liver to process.
• Low fat doesn’t mean low risk: Many low-fat or diet products add sugar to improve taste, quietly increasing overall intake.
• Small intake of sugar multiple times a day: Tea, coffee, biscuits, and quick snacks may seem harmless individually, but together create a high daily sugar load.
• Natural sugars: Honey, jaggery, and brown sugar are often overused under the assumption that they are safer, but they affect the liver in similar ways.
• Inactive lifestyle makes it worse: Without enough physical activity, excess sugar is more likely to get stored as fat in the liver over time.

How Can It Be Diagnosed And Treated?

NAFLD is often detected through tests like HbA1c, CMP (comprehensive metabolic panel), and liver function tests. Imaging methods such as ultrasound and elastography help assess fat buildup and liver stiffness.

The condition usually has no clear symptoms in its early stages and is often linked to excess sugar intake. Treatment mainly focuses on reducing hidden sugars, improving diet, and increasing physical activity. In severe cases, bariatric surgery may be considered. Managing weight and blood sugar is essential to prevent further liver and heart complications.

How To Manage Sugar For Fatty Liver?

People can opt for healthy choices by:

• Reducing packaged healthy foods, as they often contain added sugars
• Limiting packed fruit juices and sweetened drinks that increase the sugar load
• Checking food labels to identify hidden sugars in everyday items
• Prefer home-cooked meals to control ingredients and sugar intake
• Stay physically active to help the body use sugar efficiently

Fatty liver is no longer limited to those who consume junk food or alcohol excessively. It develops quietly but can be managed with the right awareness and habits.

Controlling sugar intake is key to protecting both liver and overall health in the long run. It is increasingly becoming a silent condition among individuals who believe they are making the right dietary choices. Understanding food labels, limiting processed foods, and being mindful of hidden sugars are essential steps toward prevention.

Excessive consumption of energy drinks is emerging as a significant contributor to liver damage among the country’s youth, said health experts on the occasion of World Liver Day today.

April 19 is observed worldwide as World Liver Day. The theme this year is “Solid Habits, Strong Liver".

Dr. Abhideep Chaudhary, President of the Liver Transplantation Society of India (LTSI) and Chairman and Head, Department of HPB and Liver Transplantation, BLK-Max Hospital, New Delhi, said that over the past few years, there has been a significant increase in young patients presenting with liver dysfunction.

"Three major contributors stand out — energy drinks, alcohol, and high-sugar beverages. Energy drinks, often perceived as harmless, contain high levels of caffeine, sugar, and chemical additives that place immense stress on the liver," the doctor said.

Recent medical studies have also highlighted the harmful impact of energy drinks on liver health.

A widely cited case published in the journal BMJ Case Reports documented acute hepatitis in a previously healthy individual linked to excessive energy drink consumption, primarily due to high levels of niacin (Vitamin B3), which in large doses is known to be hepatotoxic.

Additionally, research indicates that the combination of high sugar content, caffeine, and chemical additives in these drinks can trigger fat accumulation in liver cells, oxidative stress, and inflammation — all of which contribute to liver injury over time.

Also read: World Liver Day 2026: Origin, Theme, and Significance

Experts note that when consumed frequently, especially alongside alcohol or unhealthy diets, these beverages significantly increase the risk of developing non-alcoholic fatty liver disease (NAFLD), also known as Metabolism-Associated Fatty Liver Disease (MAFLD).

"Alcohol continues to be a leading cause of liver disease, and sugary drinks contribute to fatty liver disease," Dr. Chaudhary said, adding that together, these are creating a perfect storm, and the number of cases is steadily rising. If liver damage progresses beyond a certain point, a liver transplant often becomes the only life-saving option.

Young Adults More Affected

Medical experts emphasize that energy drinks are aggressively marketed to young consumers as performance enhancers and fatigue relievers.

However, these drinks often contain caffeine levels far exceeding recommended daily limits, along with substances such as taurine and herbal stimulants, which the liver must metabolize. Over time, this biochemical overload can impair liver function.

Also read: Lancet Study Shows Metabolic Liver Disease To Rise Over 38% By 2050: What’s Behind The Surge

India is witnessing a concerning rise in non-alcoholic fatty liver disease, with studies suggesting that nearly 25–30 per cent of the urban population may be affected, including a growing number of adolescents and young adults. High consumption of sugary beverages is a key driver, contributing to insulin resistance and fat deposition in the liver.

Dr. Neerav Goyal, President-Elect of LTSI and Head, Liver Transplant, Hepatobiliary and Pancreatic Surgery, Indraprastha Apollo Hospital, New Delhi, said that patients in their 20s and 30s are more affected by the conditions, which were once seen primarily in older individuals

Energy drinks and sugary beverages are contributing to "fat accumulation in the liver, inflammation, and long-term damage," Dr. Goyal said.

The doctors also warned against the increasingly popular trend of mixing energy drinks with alcohol.

“From a clinical standpoint, we are clearly observing a pattern where lifestyle choices are directly impacting liver health at a younger age," said Dr. Charles Panackel, Senior Consultant, Hepatology at Aster Medcity Kochi.

The expert noted that while the liver is a resilient organ, continuous exposure to these harmful substances leads to progressive damage — from fatty liver to inflammation, fibrosis, and even cirrhosis.

Also read: Fatty Liver Disease Driving Fertility Issues In India, Doctors Warn

Why Awareness Is Critical

Awareness is critical because early-stage liver disease is often reversible if addressed in time, the experts said. Parents, schools, and policymakers must also play an active role in educating young people about the hidden dangers of these beverages.

Some preventive steps for better liver health include:

• increasing awareness campaigns targeting youth,
• stricter regulations for energy drinks
• labeling of high-caffeine and high-sugar beverages,
• proactive lifestyle changes
• reducing consumption of processed drinks,
• avoiding alcohol-energy drink combinations,
• maintaining a balanced diet,
• engaging in regular physical activity.
• early screening.