Sildenafil: Its Use as a PDE5 Inhibitor for Erectile Dysfunction
Phosphodiesterase type 5 (PDE5) inhibitors are first‑line oral agents for erectile dysfunction that augment the endogenous nitric oxide–cGMP pathway in the corpus cavernosum to facilitate erection with sexual stimulation, and…
Androgens and Antiandrogens
Androgens are steroid hormones that promote the development and maintenance of male sex characteristics. The principal naturally occurring androgens in humans are testosterone and dihydrotestosterone (DHT), both synthesized mainly in…
How to write a research paper?
Writing a research paper is both a craft and a process. It blends critical thinking, methodological rigor, and clear communication—qualities that must be cultivated from project conception to publication. While…
