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3) Biophoto Associates / Science Supply
4) wildpixel / Thinkstock
5) Biophoto Associates / Science Supply
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7) selvanegra / Getty Pictures
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9) RICTOR S LEW / Medical Pictures
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13) (Left to proper) barol16 / Getty Pictures, Lilechka75 / Getty Pictures
14) FG Commerce / Getty Pictures
15) Mykola Sosiukin / Getty Pictures
SOURCES:
The World’s Healthiest Meals: “Spinach.”
Diet Opinions: “The position of inorganic nitrate and nitrite in heart problems threat elements: a scientific overview and meta-analysis of human proof.”
U.S. Division of Agriculture: “Spinach, uncooked.”
Eat Proper: “How A lot Water Do You Want.”
Journal of Diabetes & Metabolic Issues: “Results of thylakoid consumption on urge for food and weight reduction: a scientific overview.”
Nationwide Institutes of Well being Workplace of Dietary Dietary supplements: “Calcium,” “Manganese,” “Vitamin Ok,” “Iron,” “Vitamin A,” “Copper,” “Vitamin E,” “Folate,” “Vitamin B6,” “Riboflavin,” “Vitamin C,” “Potassium.”
Mayo Clinic: “Osteoporosis,” “Iron deficiency anemia.”
FDA: “Interactive Diet Details Label – Nutritional vitamins and Minerals Chart.”
Johns Hopkins Drugs: “The Immune System.”
Higher Well being Channel: “Folate for pregnant ladies.”
March of Dimes: “Folic Acid.”
Facilities for Illness Management and Prevention: “Normal Info About NTDs, Folic Acid, and Folate.”
American Optometric Affiliation: “Weight loss plan and Diet.”
Nationwide Middle for Complementary and Integrative Well being: “Antioxidants: In Depth.”
Michigan State College: “Weight loss plan and irritation.”