We are living through a period in history where conversations about health have become increasingly sophisticated. Many of us track our steps, monitor our sleep, wear fitness watches, and discuss everything from protein intake to blood sugar levels. Yet one of the most important indicators of long-term physical resilience remains largely absent from public conversation: bone density. Most people could tell you their weight. Far fewer could tell you anything about the condition of the skeleton carrying that weight.

Perhaps that is because bones are easy to ignore. Unlike weight gain, high blood pressure, or poor fitness, weakening bones rarely announce themselves. There is no obvious warning sign. No daily symptom. No notification on a smartwatch. For many people, bone health only becomes a topic of interest after a fracture, a fall, or a difficult recovery from an injury.

What makes this particularly interesting is that many of the habits that once helped build and maintain strong bones were never marketed as health interventions. Across Zambia, it is still common to see people carrying heavy buckets of water, lifting sacks of produce at markets, transporting farming supplies, or spending long hours on physically demanding work. These activities are often discussed in economic or social terms, yet they also place regular demands on the body. Every time we lift, carry, climb, or walk while bearing weight, our bones receive signals that they need to remain strong.

Bone is living tissue. It constantly remodels itself in response to the demands placed upon it. When we challenge it through weight-bearing activity, it adapts. When those demands decrease, the body receives a different message.
As societies modernise, many of us naturally move away from physically demanding daily routines. We spend more time sitting at desks, commuting by car, using technology to reduce physical effort, and working indoors. These changes have undoubtedly improved many aspects of life, but they may also be creating unintended consequences for our long-term health. We often discuss the rise of diabetes, obesity, and cardiovascular disease in the context of modern living. Less attention is given to the possibility that our bones are changing too.

One reason this matters is that strong bones are not simply about avoiding osteoporosis in old age. They are closely connected to mobility, independence, and quality of life. A healthy skeleton allows us to remain active, recover more effectively from injury, and continue participating in everyday life as we age. Bone health is about maintaining the ability to live life freely.

The conversation becomes even more relevant when we consider vitamin D. Although Zambia enjoys abundant sunshine, urbanisation means many people now spend significant portions of their day indoors. For members of the diaspora living in countries such as the United Kingdom, vitamin D deficiency is even more common, particularly among people with darker pigmented skin. Melanin reduces the skin’s ability to produce vitamin D from sunlight, which means individuals of African, South Asian, and Middle Eastern heritage may require greater sun exposure to produce the same amount as someone with lighter skin. Because vitamin D plays a critical role in helping the body absorb calcium, low levels can quietly affect bone health over time.

Nutrition also deserves attention, although perhaps not in the social media way. The issue is not whether someone drinks cow’s milk, soy milk, almond milk, or oat milk. Rather, it is whether they understand which nutrients need replacing when dietary habits change. Traditional diets across many cultures often included nutrient-dense foods such as beans, leafy greens, and small fish. Simultaneously, modern eating patterns have introduced greater amounts of highly processed foods, reducing awareness of overall nutrient intake. And the challenge is that many of us are making those choices without understanding their long-term implications.

Conditions such as diabetes may also play a role. Most discussions around diabetes focus on blood sugar, eyesight, kidneys, or cardiovascular health. Research has shown that people living with type 1 diabetes are at greater risk of lower bone mineral density and fractures, while people with type 2 diabetes can experience increased fracture risk even when bone density appears normal. Once again, the issue is not simply one disease or one risk factor. It is the cumulative effect of multiple influences acting over decades.

For women, bone health deserves particular attention during and after menopause, when declining oestrogen levels can accelerate bone loss. Yet this should not be viewed as a women’s issue alone. By the time menopause arrives, much of the groundwork for bone health has already been laid. The same principle applies to men. The decisions we make in our thirties, forties, and fifties often shape the resilience of our bodies decades later.

What strikes me most about this conversation is how little attention it receives compared with other aspects of health. We readily discuss weight loss goals, gym routines, wearable technology, and the latest nutrition trends, yet rarely stop to consider the structure that allows all those things to happen in the first place.

Perhaps that is because strong bones are difficult to celebrate. They do not produce dramatic before-and-after photographs. They are not visible on social media. They do not offer the instant gratification of a lower number on a scale. Their value only becomes obvious when they are no longer there.

As we continue to embrace the conveniences of modern life, the question may not be whether progress is good or bad. The more useful question is whether we have consciously replaced the physical demands that once helped strengthen our bodies. If previous generations were loading their bones through the natural rhythms of daily life, we may need to become more intentional about doing the same. Otherwise, we risk discovering too late that some of the most important foundations of health were the ones we never thought to measure.

Kaajal Vaghela is a cultural wellness advisor with over three decades of lived experience managing Type 1 diabetes in Zambia and the diaspora. Having previously served as Chairperson of the Lusaka branch of the Diabetes Association of Zambia, she remains a passionate advocate for breaking down myths and building awareness about diabetes. For more personalised coaching or corporate wellness workshops, visit: www.kaajalvaghela.com and for any feedback: [email protected])