title: Commentary.
authors.affiliation: Department of Pathology, University of Utah Health Sciences Center, Salt Lake City, UT, USA. archana.agarwal@hsc.utah.edu
authors.forename: Archana M
authors.initials: AM
authors.lastname: Agarwal
authors.forename: Roberto
authors.initials: R
authors.lastname: Nussenzveig
mesh_terms: D000740:Anemia / Q000175:diagnosis*; D003490:Cyanosis / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D005082:Physical Exertion; D055544:beta-Globins / Q000235:genetics*
chemical_list: D055544:beta-Globins