Grades: Grade Point Average (GPA) Last updated: March 20, 2017 The grade point average is based on grades earned in courses offering credit at Duke, and may be calculated based on the following numerical equivalencies in the grading system: a+ 4.0
Vitamin E is considered the âSex Vitaminâ and is sure to add spice to your sex life. Vitamin E increases blood flow and oxygen to your genitalia. It also is a key player in the production of your sex hormones to give you that sex drive boost.
B Vitamins. The eight B vitamins help maintain metabolism, muscle tone, and a sharp mind, says Mary Ellen Camire, Ph.D., a nutrition professor at the University of Maine at Orono. Most important for young women is B9 (folic acid), which keeps red blood cells healthy and guards against cancer and birth defects. Recommended daily folate dosage: 400 micrograms (mcg); 600 mcg if you're pregnant.