Arsenicosis a looming public health crisis
Dr Matiur Rahman :
The United Nations’ Sustainable Development Goals (SDGs) represent a global commitment to address various challenges, from poverty and inequality to climate change and public health.
SDG 6, in particular, focuses on ensuring clean water and sanitation for all.
While the goals are ambitious and commendable, the realities often reveal complex, interconnected issues that demand targeted attention.
In Bangladesh, the pursuit of SDG 6 is marred by the looming public health crisis of arsenicosis, a condition caused by prolonged exposure to high levels of arsenic-contaminated drinking water.
SDG 6 is unequivocal in its vision: “Ensure availability and sustainable management of water and sanitation for all.”
It underscores the fundamental importance of access to clean and safe drinking water and adequate sanitation facilities as a cornerstone of human well-being and development.
Clean water and sanitation are not just necessities but prerequisites for achieving numerous other SDGs, including health, education, and poverty reduction.
For Bangladesh, a nation crisscrossed by rivers and deltas, water is a life-giving resource and a source of vulnerability.
Access to clean water is essential for ensuring the health and dignity of its population.
However, beneath the surface of its picturesque waterways, Bangladesh faces a silent and growing threat: arsenic contamination.
Arsenic is a naturally occurring element found in the Earth’s crust.
It is also a deadly poison.
In many parts of the world, including Bangladesh, underground water sources contain arsenic.
Consuming this contaminated water over extended periods can lead to a condition known as arsenicosis.
Arsenicosis manifests in various symptoms, from skin lesions and discolouration to more severe health issues, including skin, bladder, and lung cancers.
It can also affect internal organs, causing cardiovascular diseases and neurological problems.
Prolonged exposure to arsenic-contaminated water is, in essence, a ticking time bomb for the health of those affected.
In the mid-20th century, Bangladesh initiated a massive campaign to provide its population with access to safe drinking water.
The solution was to install shallow tubewells, drawing groundwater from underground aquifers.
This campaign was a significant success, dramatically reducing waterborne diseases associated with surface water. However, it inadvertently introduced a new and insidious threat.
Unknown then, many of these shallow tubewells tapped into aquifers that contained naturally occurring arsenic.
Consequently, millions in Bangladesh began consuming arsenic-contaminated water, often for years, without realising the danger.
The consequences of this silent contamination were slow to manifest, allowing the problem to fester beneath the surface for decades.
The human toll of arsenicosis in Bangladesh is devastating.
According to the World Health Organization (WHO), millions of Bangladeshis are at risk of arsenic exposure, and hundreds of thousands may already suffer from arsenic contamination’s health effects.
Skin lesions, often visible on the hands and feet, are one of the more apparent signs of the disease, leading to social stigma and discrimination for affected individuals.
Beyond these visible symptoms, the internal damage caused by arsenicosis can be equally, if not more, severe.
The relationship between SDG 6 and arsenicosis in Bangladesh is intricate.
On the one hand, SDG 6 aims to provide clean water for all, which directly addresses the arsenicosis crisis.
Access to safe and uncontaminated drinking water is the most effective preventive measure against arsenicosis.
Fulfilling SDG 6 would, in theory, eliminate the continued spread of this disease.
However, the reality is far more complex.
The persistence of arsenic contamination means that achieving SDG 6 in Bangladesh is intricately linked to the need to mitigate and address arsenicosis.
Identifying and mitigating arsenic-contaminated water sources is a critical step.
This includes both the testing of tubewells and the provision of alternative, safe water sources for affected communities.
Achieving SDG 6 necessitates addressing existing arsenic contamination comprehensively.
Education and awareness campaigns are crucial.
Ensuring that the population is informed about the dangers of arsenic contamination and the signs and symptoms of arsenicosis is essential for prevention and early detection.
Communities affected by arsenicosis require healthcare and support services.
This includes medical treatment for those with symptoms and psychological support to combat the social stigma and discrimination that often accompanies the visible signs of the disease.
Continued research into arsenic mitigation technologies is vital.
Developing cost-effective and sustainable methods for providing safe drinking water is essential for addressing existing contamination and preventing future exposure.
Engaging communities in designing and implementing water and sanitation solutions is critical.
Local knowledge and participation can ensure the sustainability and cultural appropriateness of interventions.
The arsenicosis crisis in Bangladesh has global implications, as it underscores the need for vigilance in ensuring that water sources are not inadvertently contaminated with arsenic.
Many regions worldwide face similar challenges, and the lessons learned in Bangladesh can inform efforts to prevent arsenicosis elsewhere.
Arsenicosis in Bangladesh exemplifies the complex intersection of SDG 6 and public health crises.
Achieving the goal of clean water and sanitation for all is inseparable from addressing the long-term consequences of arsenic contamination.
A multifaceted approach is necessary, integrating identification and mitigation, public awareness, healthcare and support, research and innovation, and community engagement.
By recognising the profound consequences of arsenicosis and the interplay between SDG 6 and this public health crisis, Bangladesh can develop comprehensive solutions that address the immediate needs of affected communities while ensuring a sustainable and safe water supply for future generations.
The path forward involves a commitment to clean water and the well-being of those who have already been affected by the insidious legacy of arsenic-contaminated drinking water.
(The writer is a researcher and
development worker.)
