Attention smokers and former smokers: Eating a lot of cruciferous veggies, such as broccoli, collard greens, cabbage and brussels sprouts can reduce your risk of developing lung cancer according to a recent report from the Roswell Park Cancer Institute in Buffalo. By observing over 2,600 medical records—of both smokers and non-smokers—researchers found that among smokers, especially former smokers, those who had a high intake of these vegetables had lower lung cancer risk.

But head researcher Li Tang, PhD, cautions that nothing is a magic bullet” guaranteed to prevent lung cancer. “The first thing to do is to quit smoking because that is “still the best thing to do to reduce the risk” of developing lung cancer,” he told WebMD.

Want to quit smoking? Learn how at smokefree.gov.