Walter D. Cardona-Maya
[ 1 ] - Spermatozoa: A Historical Perspective
The 100,000th scientific article on the subject of spermatozoa was recently published. Many studies have evaluated the characteristics of this important cell leading to great discoveries. Since its first observation and description in 1677, many important characteristics have been described regarding this highly fascinating gamete. In this review, our objective has been to provide a historical ...
[ 2 ] - Physically Active Men Show Better Semen Parameters than Their Sedentary Counterparts
Objective The quality of semen depends upon several factors such as environment, life style, physical activity, age and occupation. The aim of this study was to analyze and compare the conventional and functional semen parameters in men who practice vigorous physical activity to those of sedentary men. MaterialsAndMethods Semen samples from 17 physically active men and 15 sedentary men were col...
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