India, April 21 -- A new study has found that young people who don't smoke but eat very healthy diets rich in fruits, vegetables, and whole grains might have a higher risk of lung cancer.

To reach this conclusion, researchers studied 187 people who were diagnosed with lung cancer before age 50. They collected details about their lifestyle, including diet and smoking habits. Most of these people had never smoked and had a type of lung cancer that is different from the kind caused by smoking.

The researchers used a scoring system called the Healthy Eating Index to measure how healthy their diets were. On average, these patients had better diets than the general population, eating more fruits, vegetables, and whole grains.

However, the find...