1. The Role of Protein and Its Impact on Health Protein is a nutrient that is a building block of every part of the body, including muscle, skin, organs, and hormones. Protein also indirectly contributes to healthy sexual function by playing the following roles 2. impact of protein deficiency on ED Without adequate protein intake, overall health may decline and this can lead to erectile dysfunction. Below are the effects of protein deficiency on ED. 3. differences between animal and vegetable proteins Protein can be...