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.

February often feels like winter’s longest stretch. The days are short, the sun rarely breaks through the clouds, and many people find themselves feeling unusually tired or low. Health experts say this is also the time of year when vitamin D deficiency tends to surface, especially in regions with limited winter sunlight.

While vitamin D is best known for its role in bone health, its impact goes far beyond that. As sunlight exposure drops in late winter, attention is turning to how diet can help support the body until brighter days return.

Why Vitamin D Matters for the Body

Vitamin D plays a key role in several essential functions. It helps the body absorb calcium, which is crucial for maintaining strong bones and teeth. It also supports normal muscle function and keeps the immune system working efficiently.

What is less widely discussed is its role in brain health. Vitamin D receptors are present in many areas of the brain, and low levels have been linked to changes in mood and energy. During winter, many people report feeling sluggish, unmotivated, or emotionally flat. While these symptoms are often blamed on stress or lack of sleep, reduced sunlight and falling vitamin D levels may also contribute.

Why Winter Increases the Risk of Deficiency

The body produces most of its vitamin D when the skin is exposed to sunlight. In winter, shorter days, heavy clothing, and more time spent indoors mean that this natural process slows down significantly. Even people who eat well can struggle to maintain optimal levels during prolonged periods of low sun exposure.

This is where food choices can offer some support, even if they cannot fully replace sunlight.

Fatty Fish as a Natural Boost

Salmon is one of the richest natural sources of vitamin D. It also provides high quality protein and healthy fats that support heart and brain health. Simple meals like oven baked salmon with potatoes and broccoli or a salmon rice bowl with vegetables make it easy to include in weekly meals.

Herring is another strong option. It contains both vitamin D and omega 3 fatty acids, which are known to support heart health. Traditional combinations such as herring with boiled potatoes or a light yogurt based sauce are both nourishing and filling.

Everyday Foods That Add Up

Eggs also contribute small amounts of vitamin D, mainly from the yolk. While they do not provide as much as fatty fish, they are easy to include in daily meals. Scrambled eggs, vegetable omelettes, or a soft boiled egg at dinner can all help increase intake over time.

Mushrooms are one of the few plant based foods that contain vitamin D, especially when they have been exposed to light. They are not a replacement for fish but can be a helpful addition for those who eat little or no seafood.

Food Helps, but Sunlight Still Matters

Nutrition can support vitamin D levels during winter, but it cannot fully make up for the lack of sunlight. Most vitamin D is still produced through the skin, not the diet. Experts advise making the most of daylight when possible, even short walks outdoors, while using food as a supportive measure until spring arrives.

Recent insights from medical experts show that even people who eat very less can gain weight due muscle mass, stress, and their body’s movement during the day.

Dr Mohit Bhandari, a robotic bariatric and endoscopic weight loss surgeon, founder and director of Mohak Bariatrics and Robotics at Bhandari Hospital Indore notes some people eat whatever they want without gaining weight, while others struggle even with dieting.

The secret lies in the complex interplay of genetics, metabolism, and environmental factors that influence weight management.

This is why are you are putting on weight, according to Dr Bhandari:

1. Metabolism Differences

The speed at which the body burns calories is different for every individual. A slower metabolism means that even consuming small amount of food can lead to gain.

Individuals with high level of physical activity are less likely to be obese as they mean calories quicker.

2. Hormonal And Lifestyle Factors

Hormones like thyroid hormones, cortisol, and play a major role in weight regulation. Stress, lack of sleep and Insulin sensitivity are also factors that lead to fat storage in the body.

3. Loss Of Muscle Mass

Consuming a snack rich in carbohydrate with 10-20 grams of protein before and immediately after strength training sessions further acts as a responsible factor in gaining weight.

4. Gut Health And Digestion

Additionally, it can also trigger inflammation, which interferes with normal metabolism and insulin function, encouraging fat storage.

People are switching from weightlifting and training in the gym to real world strength training.

By strengthening multiple muscle groups at once, it enhances balance, posture, and overall physical efficiency. And one of the best ways to do this is by adopting the farmer's walk

What Is Farmer’s Walk?

Here’s Why Farmer’s Walk Has Gained Popularity:

1. Builds Body strength

Meanwhile, the legs including the quadriceps and hamstrings support the lower body’s endurance.

2. Improves Balance And Posture

Overall, this exercise also regulates spinal and musculoskeletal health.

3. Supports Recovery

It can rebuild strength and stabilize mobility without exceeding tissue healing thresholds.

4. Time Efficient

It can help build strength, improve balance, and boost endurance all at the same time by ensuing coordination among different muscles of the body, making it useful for physical therapy and everyday fitness.

5. Proper Diet and Care It is crucial to fuel your body and make it ready for such a comprehensive exercise.

Proteins such as legumes, tofu and supplements support muscle repair and growth making them an excellent source.

Hydration is the key factor that prevents fatigue and muscle cramps.

Before any extensive workout, warm up thoroughly with light cardio or stretching for about 15-20 minutes.