Women who get a little more than the recommended daily amount of iron in their diets may be less likely to get a more severe form of premenstrual syndrome (PMS), according to a U.S. study.
Researchers writing in the American Journal of Epidemiology followed about 3,000 women over 10 years and found that those who consumed more than 20 milligrams a day of iron sources were 30 to 40 percent less likely to develop PMS than women who got less of the mineral.
Overall, eating a diet with about 22 mg of iron every day was linked to a 33 percent decrease in a woman's risk of developing PMS during those 10 years, compared to the women who ate the least iron - about 10 mg. The recommendations are 18 mg of iron per day.
For the study, the researchers limited their analysis to PMS in which symptoms such as breast tenderness, bloating, depression and anxiety are so severe they "substantially impact life activities and social relationships."
That type of PMS affects between 8 percent and 15 percent of U.S. women, they wrote.
Read more from Reuters.