13. Collard Greens
Collard greens are a very nutrient-rich vegetable.
One cup (190 grams) of cooked collard greens contains 5 grams of fiber, 4 grams of protein and 27% of your daily calcium needs.
In fact, collard greens are one of the best plant sources of calcium available, along with other leafy greens, broccoli and soybeans.
Adequate calcium intake from plant sources can promote bone health and has been shown to decrease the risk of osteoporosis.
Collard greens are also high in antioxidants and could even reduce your risk of developing certain diseases.
One study found that eating more than one serving of collard greens per week was associated with a 57% decreased risk of glaucoma, an eye condition that can lead to blindness.
Another study showed that a high intake of vegetables in the Brassica family, which includes collard greens, may decrease the risk of prostate cancer.
Summary
Collard greens are high in calcium, which could reduce the risk of osteoporosis. The regular intake of collard greens has also been associated with a reduced risk of glaucoma and prostate cancer.
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