
By BY CARL ZIMMER from NYT Health https://ift.tt/2XVCZCt


Young adults are often not aware they can get colon cancer, and doctors are often late to diagnose it in younger patients, according to new research presented at the American Society of Clinical Oncology annual meeting.
It could take generations for enough genetic change to take place to substantially weaken a coronavirus -- both the one that causes COVID-19 and other forms that were around before it.
