Lifestyle choices, including the food you eat, can help prevent or treat acid reflux.  Some quick tips:

• Manage stress
• Get good sleep
• Maintain a healthy weight
• Avoid smoking
• Avoid or limit spicy, fried or fatty foods, chocolate, onions, garlic, citrus fruits and juices, tomato-based foods like pizza, caffeine, alcohol
• Eat whole foods high in fiber.  They can protect against acid reflux and esophageal cancer
• Eat small meals and avoid overeating
• Don’t lie down after a meal and don’t eat too close to bedtime
• If you have heartburn at night or while trying to sleep, elevate the head of your bed

Read the full Brit & Co article here