Male infertility affects ~7% of men, but its causes remain poorly understood. The most severe form is non-obstructive azoospermia (NOA), which is, in part, caused by an arrest at meiosis, but so far only few validated causal genes have been reported. To address this gap, we performed whole exome sequencing in 58 men with unexplained meiotic arrest and identified in three unrelated men the same homozygous frames...
This study aimed to characterize the industrial workers’ noise exposure. The analysis was carried out using data from noise exposure assessment bulletins, prepared under the Prevenir program. This study covered eight sectors of Portuguese industry. The results showed that the sectors with higher levels of noise are the metallurgy and metalworking and also the wood and furniture. The quieter sectors are the text...