Urethral catheterization of the male guinea pig has potential diagnostic, therapeutic, and research applications. Urethral catheter placement requires an understanding of the unique anatomy of the ...

We’re not saying there’s anything wrong with manual masturbation. After all, we’ve been doing it for centuries, often without complaint. A recent study by University College London suggests that ...

Erectile dysfunction (ED) may be a symptom of zinc deficiency. You should speak with a doctor if you experience symptoms of ED or think you have zinc deficiency. Erectile dysfunction (ED) is one of ...