President Biden on Monday signed an executive order to expand the federal government’s research into women’s health, including midlife conditions like menopause, arthritis and heart disease, as well as issues specifically affecting women in the military.In what the White House described as the “most comprehensive” action by a president on women’s health research, Mr. Biden directed federal agencies to ensure that they are using federal funds to research health conditions and diseases that disproportionately affect women.Standing alongside the first lady, Jill Biden, and Vice…