Cancer is one of the most feared diseases in the world, and although many factors contributing to its development are beyond our control, some are not. According to medical professionals, there are several everyday habits and substances that, if avoided early in life, can help reduce the risk of developing cancer later on. As parents, we have the power to shape our children’s future health through the choices we make today. Here are five things doctors say you should never give your kids if you want to help prevent cancer.

1. Processed Meats

Doctors and health experts strongly advise against giving children processed meats such as hot dogs, sausages, bacon, and deli meats. These products often contain nitrates and nitrites—preservatives used to extend shelf life and enhance color—which can convert into cancer-causing compounds in the body. According to the World Health Organization, processed meats are classified as Group 1 carcinogens, meaning they are proven to cause cancer in humans, particularly colorectal cancer. Instead, opt for fresh, lean meats or plant-based protein alternatives.

2. Sugary Drinks

Soft drinks and other sugary beverages are another major concern. These drinks are loaded with sugar, which not only contributes to obesity—a known risk factor for many cancers—but also causes inflammation and spikes in insulin levels. A 2019 study published in the British Medical Journal linked high consumption of sugary drinks with an increased risk of overall cancer and breast cancer. Water, milk, and natural fruit juices without added sugars are healthier options for growing children.

3. Tobacco and Vaping Products

It should go without saying, but children should never be given tobacco or vaping products under any circumstances. Even secondhand smoke can be extremely dangerous. Children exposed to tobacco smoke are at higher risk of developing respiratory issues and are more likely to take up smoking themselves later in life, which significantly increases cancer risk. Vaping, often mistakenly considered safe, contains harmful chemicals that can damage lung tissue and have not been proven safe for long-term use. Creating a smoke-free environment is essential for children’s health.

4. High-Fat, Ultra-Processed Snacks

Chips, packaged baked goods, and fast food might be convenient, but they are high in saturated fats, preservatives, and artificial additives that may increase cancer risk over time. These types of food promote obesity, which is associated with at least 13 different types of cancer, according to the American Cancer Society. Additionally, some ultra-processed foods contain emulsifiers and flavor enhancers that may negatively affect gut health and cause inflammation. Offering whole foods like fruits, vegetables, nuts, and whole grains is a better long-term strategy.

5. Sunscreen with Harmful Chemicals—or No Sunscreen at All

While it might seem unrelated, skin cancer is one of the most common cancers, and it often originates from childhood sun exposure. Surprisingly, some sunscreens contain ingredients like oxybenzone and octinoxate that may act as hormone disruptors. Doctors recommend using mineral-based sunscreens that contain zinc oxide or titanium dioxide instead. Just as important is using sunscreen consistently and dressing children in protective clothing when spending time outdoors.

Conclusion

While no method can guarantee cancer prevention, avoiding these five things in your child's diet and lifestyle can significantly reduce their future cancer risk. Raising healthy children means making informed choices—focusing on natural foods, keeping them away from harmful substances, and encouraging habits that support long-term wellness. Prevention starts at home, and even small decisions made today can have a powerful impact on a child’s health for years to come.