World Heart Day is an annual event held on 29 September to raise awareness about cardiovascular diseases (CVDs) and promote heart health worldwide. To mark this occasion, we have selected eight papers on heart diseases published in Antioxidants (ISSN: 2076-3921) since 2021 that showcase the latest advances and insights in this field. We hope that you enjoy reading them.

1. “Role of Oxidative Stress in Diabetic Cardiomyopathy”
by Bart De Geest and Mudit Mishra
Antioxidants 2022, 11(4), 784; https://doi.org/10.3390/antiox11040784
Full text available online: https://www.mdpi.com/2076-3921/11/4/784

2. “Hydrogen Sulfide as a Potential Therapy for Heart Failure-Past, Present, and Future”
by Kyle B. LaPenna, David J. Polhemus, Jake E. Doiron, Hunter A. Hidalgo, Zhen Li and David J. Lefer
Antioxidants 2021, 10(3), 485; https://doi.org/10.3390/antiox10030485
Full text available online: https://www.mdpi.com/2076-3921/10/3/485

3. “The Interplay between S-Glutathionylation and Phosphorylation of Cardiac Troponin I and Myosin Binding Protein C in End-Stage Human Failing Hearts”
by Heidi Budde, Roua Hassoun, Melina Tangos, Saltanat Zhazykbayeva, Melissa Herwig, Marharyta Varatnitskaya, Marcel Sieme, Simin Delalat, Innas Sultana, Detmar Kolijn et al.
Antioxidants 2021, 10(7), 1134; https://doi.org/10.3390/antiox10071134
Full text available online: https://www.mdpi.com/2076-3921/10/7/1134

4. “ACE Inhibition Modulates Myeloid Hematopoiesis after Acute Myocardial Infarction and Reduces Cardiac and Vascular Inflammation in Ischemic Heart Failure”
by Wolf-Stephan Rudi, Michael Molitor, Venkata Garlapati, Stefanie Finger, Johannes Wild, Thomas Münzel, Susanne H. Karbach and Philip Wenzel
Antioxidants 2021, 10(3), 396; https://doi.org/10.3390/antiox10030396
Full text available online: https://www.mdpi.com/2076-3921/10/3/396

5. “Hydropersulfides (RSSH) Outperform Post-Conditioning and Other Reactive Sulfur Species in Limiting Ischemia–Reperfusion Injury in the Isolated Mouse Heart”
by Blaze M. Pharoah, Vinayak S. Khodade, Alexander Eremiev, Eric Bao, Ting Liu, Brian O’Rourke, Nazareno Paolocci and John P. Toscano
Antioxidants 2022, 11(5), 1010; https://doi.org/10.3390/antiox11051010
Full text available online: https://www.mdpi.com/2076-3921/11/5/1010

6. “Modulation of NRF-2 Pathway Contributes to the Therapeutic Effects of Boswellia serrata Gum Resin Extract in a Model of Experimental Autoimmune Myocarditis”
by Ramona D’Amico, Roberta Fusco, Marika Cordaro, Livia Interdonato, Rosalia Crupi, Enrico Gugliandolo, Davide Di Paola, Alessio Filippo Peritore, Rosalba Siracusa, Daniela Impellizzeri et al.
Antioxidants 2022, 11(11), 2129; https://doi.org/10.3390/antiox11112129
Full text available online: https://www.mdpi.com/2076-3921/11/11/2129

7. “Supplementation with a Cocoa–Carob Blend, Alone or in Combination with Metformin, Attenuates Diabetic Cardiomyopathy, Cardiac Oxidative Stress and Inflammation in Zucker Diabetic Rats”
by Esther García-Díez, María Elvira López-Oliva, Alicia Caro-Vadillo, Francisco Pérez-Vizcaíno, Jara Pérez-Jiménez, Sonia Ramos and María Ángeles Martín
Antioxidants 2022, 11(2), 432; https://doi.org/10.3390/antiox11020432
Full text available online: https://www.mdpi.com/2076-3921/11/2/432

8. “Relationships of Telomere Homeostasis with Oxidative Stress and Cardiac Dysfunction in Human Ischaemic Hearts”
by Estefanía Tarazón, Lorena Pérez-Carrillo, Isaac Giménez-Escamilla, Pablo Ramos-Castellanos, Luis Martínez-Dolz, Manuel Portolés and Esther Roselló-Lletí
Antioxidants 2021, 10(11), 1750; https://doi.org/10.3390/antiox10111750
Full text available online: https://www.mdpi.com/2076-3921/10/11/1750