The phrase "a host of problematic" is not correct as it is incomplete.
It can be used when referring to a large number of issues or challenges, but it needs to be followed by a noun to be grammatically correct.
Example: "The project faced a host of problematic situations that needed to be addressed."
Alternatives: "a multitude of issues" or "a range of problems."
Of course, the very idea that we need to physically restrict ourselves in order not to eat sends a host of problematic messages.
Indeed, one of these sought-after DoJ memos was leaked last year and contained all the sorts of broad strokes references to "imminent threat" that have been used to justify a host of problematic acts, from torture, to indefinite detention, to scores of civilian deaths.
They look at Christian conservatism and see a host of legitimately problematic tendencies: Manichaean rhetoric, grandiose ambitions, apocalyptic enthusiasms.
Much like the arcritarchs, small shellies is the name given to a whole host of problematic early "shelled" remains likely representing parts from many different groups of organisms but bundled together for ease of reference.
But the second kind, called "produced water", has "chemistry which is significantly different than flowback water … In particular, the produced water contains a host of components which are potentially problematic".
Signing the potential free agent this winter amid a host of other suitors could also be problematic.
After Colorado voters legalized cannabis for adult use, the legislature voted to criminalize driving under the influence of marijuana, using 5 nanograms of THC per milliliter of blood as the cut-off point for impairment (which is problematic for a host of reasons, and daily users have tested as high as 13.5 ng/ml while completely sober).
In a series of lab demonstrations, Cui has shown how his architectural approach to electrodes can domesticate a host of battery chemistries that have long tantalized researchers but remained problematic.
However, the clinical management of these comorbid conditions is complicated by a host of patient, provider, and system-level barriers that are especially problematic for patients in rural locations.
More problematic is that candidates self-select, for a host of little understood reasons, to take MRCP UK) (and the examination is open to anyone who feels they have adequate English, and has a recognised primary medical qualification).
This method introduces a host of new potential biases and determining which published decay rate to use is problematic at best [14].
