Medical and Biomedical Updates

It presents innovative advances in the field of immunodeficiency syndromes and viral/bacterial respiratory infections, including a novel hyperbaric oxygen treatment for COVID-19. A comprehensive insight is offered into the unresolved molecular pathways in chemosensing that plays a vital role in detecting insufficient tissue oxygenation, as well as in sporting accomplishments. Other articles address cardiorespiratory and humoral responses to hypoxia, the function of cementum in the repair and regeneration of teeth, and periprosthetic fractures following hip arthroplasty in the elderly. The issue of the overwhelming burdens on caregivers to spinal injury patients, damaging both health and psychosocial status, is addressed.