can semaglutide cause mental health issues Australia's drug regulator warning for weight-loss drugs including Ozempic | Health TL;DR: A 2026 study in

6.4 Oxidative stress Oxidative stress plays a critical role in hypertension due to the fundamental roles of ROS and redox signaling in molecular, cellular, and systemic processes that contribute to endothelial injury, vascular dysfunction, cardiovascular remodeling, renal impairment, sympathetic nervous system excitation, immune cell activation, and systemic inflammationkey factors in the pathophysiology of hypertension [240, 241]

Researchers examine it to understand peptide copper interactions, matrix related biochemical activity, and broader sequence specific signalling mechanisms under controlled conditions

Prescription weight-loss medications All other weight-loss medications, including injectable GLP-1s as well as oral medications like phentermine-topiramate (known by the brand name Qsymia) and bupropion-naltrexone (known by the brand name Contrave), are only available with a prescription from a licensed provider

In some cases, brand-name products may become temporarily more cost-competitive, especially if generic prices rise due to tariff pressures