A new study suggests that those who have had a sever case of COVID-19, may have shorter telomeres, which are DNA proteins on the ends of your 46 chromosomes. Essentially, they are protective “caps” keeping your DNA information safe from harm. It has everything to do with the cells in your body and how they replicate. When they do, the telomeres keep the cells from losing the important DNA info on them.
Since COVID attacks the lungs, shorter telomeres have a hard time protecting and helping each cell regenerate and repair, so if the virus overruns the capability of the cells in your lungs to repair and regenerate, it causes a fibrosis that makes it hard to breathe and causes the coughing spells.
If you, or someone you know, suffered from COVID and it was a fairly sever case, pass this on to them. All the new information being found and studied only gets humanity closer to treating it or even eradicating this virus.