Top tips for staying hydrated during the heatwave

Wellness guru and nutrition expert Penny Weston has suggested that you can "eat your water" by consuming a variety of fruits and vegetables. Top options include cucumbers, which are 95 per cent water, tomatoes, which are a really rich source of water. Watercress, where the clue is in the name, and apples, which have 85.56g of water per 100g. Celery is mostly made of water, as is raw lettuce, which is 95 per cent water. Watermelon is 92 per cent water and a great snack for keeping hydrated.