Men who took folic acid supplements and who ate folate-rich foods such as leafy greens had fewer abnormal sperm, the team at the University of California, Berkeley said.

• 经常食用叶酸营养品和富含叶酸的食物（比如绿色多叶蔬菜）的男士含有的不正常精子比一般人更少，加州大学伯克利分校的研究小组称。