Metabolism changes with age, just not when you might think. Duke Today, Aug. 12, 2021. Researchers have precisely measured life’s metabolic highs and lows, from birth to old age, and the findings might surprise you. Picked up by the New York Times, The Guardian, Washington Post, NBC News, Huffington Post, Philadelphia Inquirer, WRAL, UPI, Fox News, the Miami Herald, the Raleigh News & Observer, Atlanta Journal Constitution, Seattle Times, Science and BBC.