Cancer is characterized by the excessive growth and uncontrolled division of cells, leading to the formation of a malignant tumor mass. Prevalence statistics are stark: it is estimated that 1 in 2 men and 1 in 3 women will develop cancer during their lifetime.

A major preventable risk factor is tobacco consumption. Approximately 20% of all cancer cases are directly caused by smoking this legal drug. This figure underscores the importance of individual responsibility and robust public health campaigns targeting prevention.

Prevention relies on scientific advances and lifestyle choices, primarily promoting sport and a balanced diet. Furthermore, widespread implementation of mass screening programs is essential for early detection, which significantly improves treatment outcomes and survival rates.

The community in Catalonia recently demonstrated strong solidarity through this year's edition of La Marató de 3Cat. The telethon focused its fundraising efforts specifically on oncological research, reinforcing the collective commitment to combating the disease.