Eating plenty of fruits and vegetables, especially deep green leafy vegetables rich in vitamin K, can also help.

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But the sea level is rising, so much so that the nation's water has become too salty to drink and to grow vegetables, especially taro, a vegetable that was once the island's staple food.

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Reusable bags are not just used to tote food, and rarely are meat and vegetables separated (meat being an especially good medium for bacterial growth).

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