Tag Archives: sickle-cell disease

Heterozygous Advantage: how one deadly disease prevents another

Neal Krishna Boston, Massachusetts, United States   An allegory of malaria. Process print after M. Sand. Credit: Wellcome Collection. Attribution 4.0 International (CC BY 4.0) Of all the genetic disorders to which man is known to be a victim, there is no other that presents an assemblage of problems and challenges quite comparable to sickle […]

Kokumo: the child will not die again

Iyoha Odia Lagos, Nigeria   The Survivor, by Barrister Chikezie Onwumere, (December 2019). Personal Collection. It was 1838 in the ancient town of Ake, the era of the Abikus. The harmattan wind blew with reckless abandon, tinting everything living and non-living along its course. The leaves turned reddish brown from green, the roofs were caked […]

Blood is NOT the essence of life?

Mair Zamir London, Ontario, Canada   Figure 1: Vasculature of the human heart in an anterior view (right) and posterior view (left). This massive vascular network brings blood to within reach of every cell within the heart tissue. It is the most densely packed vascular network within the body because of the very high metabolic […]

James Bryan Herrick

Philip R. Liebson Chicago, Illinois, United States   James B. Herrick (1861—1954) Each year the American Heart Association Council on Clinical Cardiology honors a physician “whose scientific achievements have contributed profoundly to the advancement and practice of clinical cardiology.” This award is named after the physician James B. Herrick (1861-1954) who, within a two-year period, […]