Peanuts are good for heart. It prevents Gallstones,Diabetes, Cancer. It improves memory and helps to fight with depression. Peanuts are a good source of folate. Certain studies have shown that women who consumed 400 grams of folic acid before or during early pregnancy had up to 70% lower risk of having a baby born with neural tube defect. Eating peanuts during pregnancy can also lower the risk of allergic diseases, like asthma, in children.