Postoperative neurocognitive impairment is an urgent problem with global aging accelerating. The prevention and treatment of postoperative neurocognitive impairment have been widely investigated but lack effective strategies. Low-intensity pulsed ultrasound (LIPUS). a non-invasive tool. https://www.bekindtopets.com/save-now-Rx-Chorulon-HCG-for-Cattle-save-extra/