The United Nations has declared that we are now in the “UN Decade of Healthy Ageing” (2021-2030) as a way to address the challenges that accompany increasing global life expectancy. Two researchers affiliated with the Harvard Pop Center (David Bloom and Benjamin Seligman) are among the authors of this piece published on voxeu.org that cites the rapidly developed COVID-19 vaccine as proof that complex health crises can be successfully tackled. They make a case for why there are strong ethical, social and financial incentives for science to hone in on ADRDs now.