John Arthur

OPRA exam

What is the main effect of vasopressin? A complete OPRA exam guide

Introduction Pharmacological effects are very significant in competitive exams like OPRA. Understanding key hormones and their mechanism of action is very significant during the preparation of the OPRA exam for pharmacy students. In this blog post, we will understand the main pharmacological effects, mechanisms of action and side effects and uses. One such important topic…

Read More
Low-Dose Naltrexone

Research on the effectiveness of Low-Dose Naltrexone (LDN) in fighting cancer – an evidence-based review

Low-dose naltrexone (LDN) – typically 1–5 mg daily, far below the 50 mg standard dose for opioid dependence – has attracted interest as a potential adjuvant in oncology. Over the last two decades researchers have proposed two main ways LDN might affect cancer: (1) modulation of the opioid growth factor (OGF) – OGF receptor (OGFr) axis to…

Read More