Answer:
Most teens get nutrition facts online and off the package
I hope this helped!
Explanation:
A, B AB and O, O being the most useful, because O blood can be given to everyone, but also the most selective, since they can only receive O blood
D. Not touching your mouth, nose or eyes
Scholarly articles for stress recommendations and guidelines
Recommendations - Guidelines for the Management of Conditions ...
https://www.ncbi.nlm.nih.gov/books/NBK159713/
this may help