So you like your cup of green tea after a meal? That's a good habit to continue. Researches show that green tea is packed with natural phytochemicals that may help prevent normal cells from becoming cancerous.

Ginger

Ginger is more than a culinary spice. It contains a cancer-fighting phytochemical called gingerol, which has anti-inflammatory properties and is anti-carcinogenic. Fringe benefit: It can help soothe an upset stomach.

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Its cousin, turmeric (known in Asia as yellow ginger) is a popular ingredient in curries and Asian dishes. Used in traditional and Indian medicine since the 7th century, this root contains an ingredient known as curcumin. It has antiseptic and anti-inflammatory properties that can suppress cancer cells.