1. As the drill is not cheap, there are cases where the farmer cultivates harmful fertilizers. Cutters such will only trouble you. To protect against it, you can check with the berries against nitrates, strawberry orbuy reliable in some places. Same with the radiation.
2. Strawberry collects dust, dirt and pollen, and thus could easily cause allergies in people who are exposed to it. In any case, the berries should be washed thoroughly before eating.
3. Strawberry is not recommended for those who have stomach ulcers, because it is irritating to the stomach.
4. Strawberry can not be eaten with the preparations for lowering blood pressure, as can be harmful to the kidneys.