Reviews of articles on medicinal herbs are presented including "Nigella sativa Oil for Knee Osteoarthritis" which appeared in the 2022 issue of the journal "Complemenary Therapies in Clinical Practice," "Ginger for Chemotherapy-induced Nausea and Vomiting in Breast Cancer Patients" which appeared in the 2022 issue of the "International Journal of Molecular Sciences" and "Echinacea purpurea and Viral Respiratory Tract Infections" which appeared in the 2022 issue of "Frontiers in Pharmacology."