The efficiency of oxygen supply to tissues is a factor in the severity of important diseases such as Covid-19 and heart conditions. Scientists already know that the relationship between the length of a person's index and ring fingers, known as the 2D:4D ratio is correlated with performance in distance running, age at heart attack and severity of Covid-19.
Read more …New study analyzes link between digit ratio and oxygen consumption in footballers
Researchers have found genes in the reproductive organs of bulls that influence fertility. The findings can be transferred to humans, as these genes are also present in men.
Read more …What can bulls tell us about men?