Teleconsultation

Why Do Children Get Cancer? Understanding the Facts with Compassion

Cancer in a child is one of the most distressing experiences any family can face. Naturally, the first question parents ask is: “Why did this happen to my child?” It is important to know that in almost all cases, no one is to blame, and childhood cancer is not caused by anything a parent or child did or did not do.

Childhood cancer is very different from cancer in adults. In adults, factors such as smoking, long-term chemical exposure, pollution, obesity, or unhealthy lifestyles can contribute to cancer development. But in children, these reasons rarely apply. Instead, most childhood cancers occur because of random, unpredictable changes in the DNA of growing cells. These DNA changes—called mutations—happen naturally as a baby develops in the womb or during early growth. They are not preventable and usually cannot be detected beforehand.

Some children are born with certain genetic conditions that slightly increase their risk of cancer. Examples include Down syndrome or inherited gene mutations. These situations are rare, and even then, parents are not at fault—these genetic changes occur by nature and cannot be controlled.

A child’s body grows very quickly, and their cells divide at a much faster rate than adults. Occasionally, during this rapid growth, a small mistake occurs in the DNA. When these mistakes affect how cells grow and repair themselves, cancer can develop. This process is similar to a random “typing error” inside the body—not caused by lifestyle or environment.

Most importantly, childhood cancers cannot be prevented, and nothing a parent could have done would have stopped it.

The positive news is that advances in medicine have transformed outcomes. With modern chemotherapy, targeted therapies, immunotherapy, and specialized supportive care, many children are cured and go on to live full, healthy lives.

Hope, awareness, and timely treatment make a powerful difference.