New research shows exercise is one of the most important tools for fighting off respiratory infections, including COVID-19. Here's a summary of the most recent data...

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1. Torres, G., Constantinou, D., Gradidge, P., Patel, D. & Patricios, J. Exercise is the Most Important Medicine for COVID-19. Curr. Sports Med. Rep. 22, 284–289 (2023).  

2. Jimeno-Almazán, A. et al. Effects of a concurrent training, respiratory muscle exercise, and self-management recommendations on recovery from post-COVID-19 conditions: the RECOVE trial. J. Appl. Physiol. 134, 95–104 (2023).

Time Stamps:

00:00 Exercise is the most important medicine for COVID19.

02:10 Exercise reduces the severity of upper respiratory tract infections.

02:30 Exercise reduces odds of contracting COVID, being hospitalized, being in the ICU, and risk of death.

05:10 Exercise reduces inflammation.

07:30 Autophagy and mitophagy occur with every exercise session, optimizing energy production.

09:20 Exercise prevents the accumulation of exhausted T cells.

10:45 Exercise releases myokines that help the thymus gland release T cells.

11:00 T cells and B cells are mobilized in the blood by increased catecholamines during exercise, and likely cold exposure.

11:20 Natural killer cells and viral specific T cells occur with each exercise session.

12:00 Aerobic exercise mobilizes T lymphocytes, T cells, and effector cells.

13:00 Exercise exerts anti-inflammatory effects within the heart.

13:50 Stem cells from muscle are released during intense exercise.

14:35 Your frontline mucosal defense is impacted by exercise.

15:30 Myokines from exercise increase BDNF.