Question: I dare say I picked it up from her.
I always pick things up from her when possible.

Answer: it is not possible to tell

Question: The HEI re-examination lends credibility to the original studies but also found unexpected sensitivities concerning (a) which pollutants are most important, (b) the role of education in mediating the association between pollution and mortality, and (c) the magnitude of the association depending on how spatial correlation was handled.
The HEI re-examination makes the original study seem credible because it was so well-researched.

Answer: it is not possible to tell

Question: There is one protect yourself from the heat.
You can keep yourself protected from the heat.

Answer:
yes