Daily 5 servings of fresh vegetables (about 400 g) and fruit.
Reduce consumption of smoked and cured foods, because they contain nitrate or nitrite as a component of curing salt. Their preparation produces compounds (nitrosamines), which are risk factors for various tumor diseases.
Refrain from polluted foods such as offal and wild mushrooms.
Do not eat moldy food
Observe the following special dietary recommendations: