Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...

Figure 1: Specific cell associations that define the stages of the cycle of the seminiferous epithelium are present within distinct regions that exhibit differential light absorption patterns ...

Stress can drain the joy from your day, but does it serve any purpose in your life? Use WebMD's quiz to test your knowledge of the “stress response.” Insomnia. Headaches. Stress affects your ...