Tomatoes
Technically speaking, tomatoes are fruits because they have seeds, but they are used as vegetables because of their savory flavor. No matter what you consider them, tomatoes are nutritional powerhouses.
Green tea
Green tea comes from Camellia sinensis, the same species of plant that black tea comes from. Both green and black tea contain the powerful antioxidants polyphenols and flavonoids, but unlike black tea, green tea is not fermented. Green tea has received more attention because it appears to have higher levels of catechins (an antioxidant) than black tea.
Studies that have shown benefit suggest that drinking three to five cups of green tea a day may offer protection.
Nuts (especially Brazil nuts and walnuts)
Nuts contain heart-healthy mono- and polyunsaturated fats. That said, they’re still high in calories, so portion control is important. You don’t want to outweigh their health benefits by gaining unintentional extra pounds. This nutrient density can be a good thing if you’re struggling with cancer-related anorexia and weight loss, because a small amount will provide a decent supply of weight-sustaining calories.
In addition to containing healthy fats, nuts are a good source of potassium, iron, zinc, calcium, phosphorus, magnesium, folate, selenium, and vitamin E. They also contain some protein and fiber. Walnuts are an excellent source of anti-inflammatory omega-3 fatty acids, and some research indicates that this nutrient may be better absorbed from food than from supplements. Brazil nuts can provide 100 percent of the daily value for selenium.
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