Kale contains fibre, antioxidants, calcium, vitamins C and K, iron and a wide range of other nutrients which help prevent a number of health problems, including high blood pressure.
Antioxidants help the body remove unwanted toxins which result form natural processes and environmental pressures.
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These toxins, known as free radicals, are unstable molecules and if a person has too much building up in the body, it could lead to cell damage.
Source: Daily Express