Recently I came across a Reddit AMA written by a young woman who had been diagnosed with cancer and told she only had a few months to live. She came across as kind, thoughtful, and very aware of what was happening to her, and reading through her answers was difficult in a way that is hard to put into words. I think it hit me particularly hard because I work in cancer research.
I had this uncomfortable awareness that, even with all the advances in medicine, there are still many cases where we do not yet have treatments that can change the outcome. When I was younger, I used to think that by the time I became an adult, medicine would have solved most of the problems that once seemed impossible. I genuinely believed that the future would look very different from the world people before us had known. I thought there would be cures for nearly everything. I even remember feeling, quite seriously, that one day humanity might find a way to stop people from dying in the way they used to. Death felt distant then, almost like an unsolved scientific problem that would eventually be fixed. It did not feel like something that could step so directly into ordinary life.
That idea changes as you get older. You start to see people around you become ill, and you realise that death is not some rare interruption to life but part of life itself. You watch family members decline. You hear about friends becoming seriously unwell. You see patients trying to navigate diagnoses, treatments, side effects, fear, and uncertainty. Medicine still does a great deal, but you begin to understand its limits more clearly.
Working in healthcare makes that harder to ignore, and working in cancer research in particular makes it impossible. One of the reasons cancer remains such a difficult problem is that it is not one disease. It is many diseases, behaving in different ways, arising for different reasons, responding differently to treatment, and progressing differently from one person to another. That is part of why progress can feel slow, even when a huge amount of work is being done.
At the same time, it would be wrong to say that nothing has changed. A great deal has changed. Cancer survival has improved over the last few decades, sometimes quietly, through many small advances rather than one dramatic breakthrough. Treatments have become more precise. Some cancers that once had very poor outcomes now have far better survival than they used to. In some cases, people are living for years longer than they might have done in the past. In others, people are being spared treatments they do not need. Progress may not always feel dramatic when you are looking at individual stories, but it is real.
One of the clearest shifts has been the move towards more targeted treatment. Older cancer treatments were often based on the broad idea of killing rapidly dividing cells, which meant that healthy cells were damaged too. Now, in many cases, treatment is becoming more specific. Researchers can sometimes identify the exact genetic changes driving a tumour and use drugs designed to target those pathways. That does not help every patient, and it does not solve every cancer, but it shows how much more precise treatment has become.
Immunotherapy has also changed the picture. Instead of attacking the cancer directly in the traditional way, these treatments help the immune system recognise and fight cancer cells more effectively. They do not work for everyone, and they are not without complications, but in some cancers they have transformed expectations. Some patients with advanced disease are now living far longer than would once have been expected. That would have seemed remarkable not very long ago.
There is also growing interest in treatments designed around the individual tumour itself. Personalised cancer vaccines are one example. The idea that a treatment can be designed around the specific mutations in one person’s cancer would once have sounded futuristic. Now it is being studied seriously and, in some settings, showing very encouraging results. The same can be said for liquid biopsies, where traces of tumour DNA in the blood can be used to detect recurrence earlier or guide decisions about treatment. Even when these tools do not cure disease, they can make treatment more accurate, more thoughtful, and less burdensome.
Other advances have come from cell-based therapies such as CAR-T treatment, especially in certain blood cancers. These are highly specialised treatments and not the answer for everyone, but they have produced long-term remissions in patients who previously had very few options left. That matters. It reminds us that medicine has moved, even if it has not moved far enough.
Reading that AMA also reminded me of something else that becomes obvious when you spend enough time around illness. Health is probably one of the greatest privileges a person can have, even though most of us do not think of it that way when we are well. When life is normal, people make plans almost without noticing that health is what makes those plans possible. We think about careers, holidays, school runs, projects, deadlines, family life, and the future as though these things are naturally available to us. Serious illness changes that very quickly. Suddenly, the future becomes much smaller and much more immediate. The questions are no longer about long-term goals but about scans, treatment cycles, symptom control, energy levels, and time.
That is why it is difficult to talk about progress in medicine without also thinking about access to healthcare. Scientific advances mean very little if people cannot actually receive the treatments that exist. Around the world, access to cancer care, screening, diagnostics, and modern therapies is still deeply unequal. Outcomes often depend not only on the biology of the disease but also on where someone lives, what healthcare system they are in, how quickly they are diagnosed, and whether the right treatment is available to them at all. Research matters, but policy, funding, and healthcare organisation matter too. Without them, too many advances remain ideas on paper rather than realities in people’s lives.
I think that is partly why stories like that Reddit AMA are so affecting. They cut through the language of progress and innovation and force you to sit with what illness actually means for a person. They remind you that behind every discussion of research, survival curves, new therapies, or clinical trials is someone whose life has suddenly become fragile. Someone who, not long ago, probably had ordinary plans for the future in the same way the rest of us do.
Reading it made me feel two things at once. One was sadness, and perhaps a little frustration that medicine has not progressed far enough to change outcomes in every case. The other was a renewed sense that the work still matters. We have not found a cure for death. We are still nowhere near being able to stop every cancer. But the situation is not what it once was. There has been real progress in understanding cancer, in treating it more precisely, and in helping some people live longer and better than they otherwise would have done.
The changes are not always fast enough. And for some people, they come too late. But they are real. And perhaps that is one of the hardest things to hold in mind at the same time: that medicine has come a long way, and still not far enough.