A newly established international commission has identified 17 catastrophic threats to human health over the next 75 years, warning that humanity faces the risk of extinction by 2100. The Lancet Commission on 21st Century Global Threats to Health released its findings on Sunday at the World Health Summit in Berlin, Germany, outlining a landscape of dangers that range from climate breakdown to the malicious use of artificial intelligence.
The assessment, led by experts including Professor Christopher Murray of the University of Washington, models the potential loss of disability-adjusted life years (DALYs) for each threat. While the likelihood of extinction-level events remains low, the commission emphasizes that the scale of harm would be absolute. “The scale of harm, should they be realised, would inflict an apocalypse on humanity,” an accompanying editorial in The Lancet stated.
Nuclear Conflict and AI Risks
At the top of the list are nuclear conflict and the malicious use of AI, including the creation of bioweapons. The report notes that a nuclear exchange could trigger a nuclear famine by injecting particles into the upper atmosphere, blocking sunlight and collapsing global agriculture. Similarly, AI-driven biological weapons could cause widespread devastation. The commission stresses that these threats must be addressed together because they interact with one another in complex ways.
Professor Murray, who co-chairs the commission, highlighted the urgency of current decision-making. “Decisions made by leaders today will shape the health and wellbeing of the next generation,” he said. The commission was formed three years ago with a focus on conflict, climate, and pandemics, but the final list reveals a much broader array of dangers requiring government investment in anticipation and prevention.
Other Major Health Threats
Beyond extinction risks, the commission identified 15 other major catastrophic threats that could each cause more than one billion cumulative DALYs. These include air pollution, antimicrobial resistance, childhood malnutrition, and climate breakdown. In higher-income regions, non-communicable diseases such as obesity and poor mental health dominate the risk profile. In contrast, lower-income regions face greater health losses driven by low educational attainment and infectious diseases.
The report also highlights the impact of declining overseas aid. Many wealthy nations, including the United States and the United Kingdom, have announced significant cuts to aid spending in the past year. The commission found that a steep reduction in international health aid could result in up to 1.5 billion DALYs lost before 2100, with nearly 70 percent of that burden falling on sub-Saharan Africa. Child malnutrition also disproportionately affects this region.
Despite the grim projections, the commission argues that a realistic route to action exists for every threat. For example, limiting global heating to approximately 1.8C rather than allowing it to reach 4.4C could prevent 1.89 billion years of healthy life from being lost. The authors urge policymakers to strengthen health systems and invest in technological innovations to mitigate these risks before they escalate into unmanageable crises.
The 35-member commission will update its assessment annually to incorporate new data and emerging hazards. Their work provides a structured framework for global leaders to prioritize resources and address the diverse set of threats facing human health in the 21st century.
Source: The Guardian
