Organic fruit and vegetables may be better for you than conventionally grown crops, US research suggests.
A ten-year study comparing organic tomatoes with standard produce found almost double the level of flavonoids - a type of antioxidant.
Flavonoids have been shown to reduce high blood pressure, lowering the risk of heart disease and stroke.
Writing in the Journal of Agricultural and Food Chemistry, the team said nitrogen in the soil may be the key.
Source - BBC News