Disease Prevention and Risk Reduction
The high antioxidant levels in collard may help prevent diseases in which oxidative damage plays a role, such as cardiovascular disease, dementia, and cancer.
Potassium in collards may help reduce the risk of hypertension, a risk factor for stroke. A 2008 Dallas Heart Study showed that low dietary intake of potassium was associated with a higher risk of hypertension.
Eating collards can protect from bone loss, prevent migraines, and reduce symptoms associated with premenstrual syndrome due to the calcium it contains.
The antioxidants, lutein and zeaxanthin, helps prevent eye diseases associated with aging. The sulforaphane in collards provides protection from cancer.
Reinhard, Tonia. Superfoods: The Healthiest Foods on the Planet. Buffalo, NY: Firefly, 2010. Print.