Lettuce, like kale, is a low calorie green packed full of nutrients. Lettuce aids digestion and promotes liver health. It may also reduce the risk of heart disease, stroke and cataracts and may ease nervous insomnia. Lettuce is a good source of folate which is known to reduce neural tube defects such as spina bifida. The Spina Bifida Assocation of South Australia says the incidence of spina bifida could be reduced up to 70% by getting enough folate before and during the first 3 months of pregnancy. Lettuce is also a good source of iron and vitamin C and according to the National Heart, Lung and Blood Institute, lettuce may help to fight anemia.
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