Lifestyle Factors, Barriers and Facilitators Among Over-Nourished Individuals Across Diverse Age Groups: A Mixed Methods Study

Imagine your body is like a high-performance car. For a long time, scientists have known that if you keep pouring in too much fuel (food) without ever driving the car (moving), the engine starts to clog up. This isn't just about being a little heavy; it's a condition called "overnutrition," which is the fancy term for having too much fuel stored up, leading to overweight and obesity. Think of it like a garden that gets so overgrown with weeds that the good flowers can't get the sunlight they need. This problem is growing everywhere, from big cities to small towns, and it's not just about how much you eat. It's a mix of how you move, how you sleep, how you feel inside, and even what your friends and family say to you. Scientists have been trying to figure out why this happens, but they often look at just one piece of the puzzle, like diet or exercise, in isolation. They haven't always looked at how these pieces fit together differently for a teenager, a young adult, and someone in the middle of their life.

This study is like a detective story that tries to solve the mystery of overnutrition by looking at three different groups of people living in the city of Mysuru, India: teenagers (10–19 years), young adults (20–34 years), and middle-aged adults (35–60 years). The researchers didn't just ask people to fill out a checklist; they asked 605 people to share their daily habits, feelings, and struggles, and then they interviewed 16 of them in depth to hear their personal stories. They wanted to see if the reasons for being overnourished change as we get older, like how a video game gets harder at different levels.

The investigation revealed that the "game" of staying healthy looks very different depending on which level you are on. The teenagers, surprisingly, were the most fit players. They were more likely to eat regular meals, read food labels, and actually do strength training exercises. However, as the players moved up to the "Young Adult" level (ages 20–34), the game got much harder. The data suggests that young adults were significantly more likely to be inactive in strength training, have poorer mental well-being, and eat more meals outside the home compared to the teenagers. It's as if the young adults are juggling too many balls at once—work, school, and social life—and they drop the healthy habits first.

The "Middle-Aged" level (35–60 years) presented its own unique challenges. While they weren't necessarily the most inactive in terms of walking steps, the study found they had the poorest mental well-being and the worst meal patterns of all. The researchers suggest that by this stage in life, the stress of family responsibilities and long-term fatigue might be the biggest obstacles. The study explicitly rules out the idea that everyone struggles with the exact same things; instead, it shows that the barriers shift. For example, while teenagers might skip exercise because they are tired from school, middle-aged adults might skip it because they are exhausted from work and family duties.

The researchers also dug into the "why" behind the numbers by listening to personal stories. They found that the biggest barriers weren't just a lack of willpower. Instead, people described a "sedentary trap" where busy schedules, academic pressure, and the temptation of easy, unhealthy food made it hard to move. Many participants admitted that when they felt stressed or sad, they would eat junk food or skip exercise, creating a cycle where feeling bad led to eating bad, which made them feel worse. Social pressure was another huge factor; comments from relatives about weight or the influence of social media food videos often pushed people toward unhealthy choices.

However, the story isn't all bad news. The study found that when people had support from family, a clear motivation to avoid future diseases, or a desire to feel more confident, they could make changes. The researchers suggest that because the problems change as we age, the solutions need to change too. You can't use the same playbook for a teenager as you do for a middle-aged parent. To fix the overgrowth in the garden, we need age-specific tools: helping teenagers manage screen time and stress, helping young adults find time for exercise amidst busy careers, and helping middle-aged adults manage their mental well-being and family stress. The study concludes that while overnutrition is a complex mix of biology, behavior, and environment, understanding these different life stages is the first step to building a healthier future for everyone.