By Ayo Onikoyi

New research by Dr. Nnamdi J. Omenuko sheds light on the growing risk of multiple primary cancers among adults in the United States, with younger individuals facing a heightened threat.

The study, which utilized data from the 2021 Behavioral Risk Factor Surveillance System, found that individuals diagnosed with cancer at a younger age were more likely to develop additional primary cancers. “Patients diagnosed under 18 had nearly 10% higher odds of developing multiple cancers compared to those diagnosed between 18 and 29 years,” Dr. Omenuko reported.

The study also revealed that smoking significantly contributed to multiple primary cancers. “Current smokers had a 9.7% higher risk, while former smokers had a 24.2% increased risk,” he explained.

Gender also played a role, with women being more susceptible to multiple primary cancers, particularly hormone-related cancers such as breast and ovarian cancer. “Hormonal fluctuations and genetic predispositions may explain this trend,” Dr. Omenuko noted.

Genetics emerged as a key factor, with individuals carrying BRCA1 and BRCA2 mutations facing higher risks. “Patients with these genetic markers must undergo regular screenings and preventive measures,” the study recommended.

Environmental factors, including prolonged exposure to tobacco smoke, industrial chemicals, and radiation, were also identified as significant risk contributors. “Reducing exposure to these carcinogens is essential in cancer prevention,” Dr. Omenuko said.

The study emphasized early detection and lifestyle changes as effective preventive strategies. “Routine screenings, quitting smoking, and maintaining a healthy lifestyle are crucial in reducing the likelihood of developing secondary cancers,” he advised.

With advancements in cancer treatments leading to increased survival rates, concerns about long-term risks have grown. “While chemotherapy and radiation save lives, they can also trigger secondary cancers,” Dr. Omenuko cautioned.

Healthcare professionals stress the need for comprehensive screening programs to detect cancer at its earliest stages. “Identifying cancer early significantly improves outcomes,” said an oncologist reviewing the study.