An analysis of more than 100 research studies and clinical trials found the following in people who eat pistachios:
- A significant decrease in waist circumference
- A decrease in body mass index
- Decreased absorption of cholesterol in the intestines during digestion
- Reducing the amount of cholesterol produced by the body.
Additionally, the researchers found that a one-ounce serving of pistachios (about 49 nuts) provides 10 percent of the recommended daily allowance (RDA) for protein and 11 percent of the RDA for fiber for adults.
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