主题词：Essential Oils and Antimicrobial Activity; COVID-19 and healthcare impacts; Polyamine Metabolism and Applications; COVID-19 Clinical Research Studies; Dental materials and restorations; COVID-19 and Mental Health; Vitamin D Research Studies; Oral Health Pathology and Treatment; Human Health and Disease; Neurological Disorders and Treatments; Oral microbiology and periodontitis research; Endodontics and Root Canal Treatments; Dental Radiography and Imaging; COVID-19 Impact on Reproduction; Health and Well-being Studies; Obesity, Physical Activity, Diet; Probiotics and Fermented Foods; Thyroid Disorders and Treatments; Liver Disease Diagnosis and Treatment; Respiratory viral infections research; Climate Change and Health Impacts; Fibromyalgia and Chronic Fatigue Syndrome Research; Long-Term Effects of COVID-19; Drug-Induced Hepatotoxicity and Protection; Microbial Metabolites in Food Biotechnology