Folate participates in biochemical processes that create genetic material, build cells and metabolize amino acids. It’s so essential for the growth and development of new cells that it helps prevent birth defects of the brain and spinal cord when taken before and during early pregnancy. Everyone needs folate to produce healthy red blood cells and prevent anemia, according to the Office of Dietary Supplements. One cup of cooked broad beans contains 44 percent of the recommended daily intake of folate. If you have Parkinson’s disease, talk to your physician before eating broad beans. Broad beans are a natural source a levodopa, which is converted into the neurotransmitter dopamine. Dopamine is one of the medications used to treat the symptoms of Parkinson’s, but consuming levodopa from broad beans can cause both good or bad effects, according to the University of Maryland Medical Center. Their possible impact should be assessed by a doctor familiar with your condition.