Fears of Discrimination Over Sickle Cell Testing Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Normal red blood cell (background, colored red) and red blood cell affected by sickle-cell anaemia (foreground, colored yellow). ( Flickr: wellcome images ) Produced by David J Fazekas Produced by PRI and WNYC