PULSE YOUR HEALTH

  Cancer is one of the most devastating diseases that affects millions of people around the world. Despite decades of research and billions of dollars spent, there is still no universal cure for cancer. Why is that? Before delving into why cancer is hard to cure, we should know that cancer is not a single disease. It is a name given to a collection of several dozens of different diseases that have different causes, characteristics and behaviors. Each cancer type has many subtypes that can vary in their genetic and molecular makeup, which means that they can respond differently to treatments. Even within the same tumor, there can be different cancer cells with different mutations that make them resistant to certain drugs or therapies. One reason why cancer is so difficult to cure is that it can spread from its original site to other parts of the body through a process called metastasis. This makes it harder to detect and treat, as some cancer cells may escape the primary tumor and trave