Every health system must decide how to divide limited funds between keeping people healthy and caring for those who are already unwell. Some argue that prevention deserves more money, while others insist that treatment must come first. In my opinion, treatment must always be adequately funded, but governments should shift a greater share of spending towards prevention.
Those who prioritise treatment make a powerful moral argument. A person with cancer or a serious injury needs care immediately, and a government that left patients waiting for operations in order to fund health campaigns would be failing in its most urgent duty. Furthermore, the results of treatment are visible and immediate, whereas the benefits of prevention may take decades to appear and are difficult to measure. Politicians and the public therefore find it easier to support new hospital beds than an advertising campaign about healthy eating.
However, there are convincing reasons to invest more in prevention. Many of the illnesses that fill hospitals today, such as heart disease, type 2 diabetes and some cancers, are closely linked to smoking, poor diet and lack of exercise. Programmes that help people to stop smoking, vaccination schemes and regular health checks can prevent these conditions or detect them early, when treatment is simpler and cheaper. For example, identifying high blood pressure during a routine check and treating it with inexpensive medication may prevent a stroke that would otherwise require months of hospital care and rehabilitation.
I believe that prevention and treatment should not be seen as rivals. In the long term, effective prevention reduces the number of people needing expensive treatment, which frees resources for those who still fall ill.
In conclusion, while treating sick people must remain a priority, greater investment in preventing illness is the wisest way to protect public health and to keep health systems affordable in the future.