1 Choose sweet potatoes about 8 oz each. 2  Bake at 450 degrees for 20-30 minutes until soft when squeezed between the folds of a towel. 3  You can also boil the potatoes for 15-25 minutes.4  Small slender potatoes can be left whole, but larger ones should be cut in half. great way to cook them is to bake them. Bake sweet potatoes in their jackets. Wash, cut off the ends and bake in a preheated 400 degree F oven for 40 to 60 minutes (dependi â¦ ng on the size of the potatoes and how firm you want them to be).
According to a Mayo Clinic expert, enough B12 in your diet can help improve memory. However, if you get adequate B12, there is no evidence that higher intake can bring positive effects.
Leafy greens contain antioxidants and they're also loaded with a significant amount of folate. Studies have shown that folate-rich foods improve memory by decreasing inflammation and improving blood flow to the brain, says Wright. Folic acid has also been proven to lower levels of homocysteine, an amino acid linked to a higher risk of heart disease.