Gen X'd Out Fresh, seasonal and less processed ingredients sought after by Millennials and baby boomers alike March 4, 2015 The huge baby boomer cohort is being supplanted by the massive Millennial generation, and both groups are forcing a reconsideration of issues relating to health and diet. Boomers seek to maintain youthfulness and vigor as they age, and Millennials seek to do the ethical thing for their bodies and the planet.