Higher rate of obesity as well, which mostly explains the diabetes and hypertension. Obesity and diabetes are certainly environmental/social as you put it, but

Higher rate of obesity as well, which mostly explains the diabetes and hypertension. Obesity and diabetes are certainly environmental/social as you put it, but hypertension in people of African descent probably also has a genetic component in addition to the rest. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6429313/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6429313/