In a study appearing in PLOS Global Public Health, UC Davis researchers investigated the epidemiological risk factors, outside of HIV, associated with TB in South Africa’s Northern Cape Province. 

When it comes to the architecture of the human genome, it’s only a matter of time before harmful genes arise in a population. These mutations accumulate in the gene pool, primarily affected by a population’s size and practices like marrying within a small community. New research published in the Proceedings of the National Academy of Sciences (PNAS) journal provides rare direct evidence showing that increased homozygosity leads to negative effects on fertility in a human population.