The phrase "helpful against" is a correct and usable phrase in written English.
You can use it to describe something or someone that provides assistance, or protection, to protect against a certain thing. For example: "The new masking technology was especially helpful against the spread of the virus."
Some people find that eating dried cherries helps alleviate arthritis pain, and is especially helpful against gout, which is a form of arthritis that is in the big toe.
Falconers might be helpful against gulls, but not bald eagles.
Other studies have also found gargling helpful against sore throats and congestion.
The history is not always kind: "Body of Secrets" opens with a description of American intelligence agents at the end of the Second World War desperate to poach Nazi codebreakers who might have been helpful against the looming Soviet threat.
Although we probably don't need clinical trials to convince us that many fats can produce the warming friction helpful against gout and rheumatism, there might well be more to learn about the action of fat against wounds and sores.
DOC 200s are also helpful against ferrets, but the opening is too small for cats, so the Adsheads bought cat traps, which look like rural mailboxes, except that inside, where the letters would go, there's a steel brace that delivers an uppercut to the jaw.
Still, Smoove sees the price as a helpful deterrent against potential vandalism and theft, Vander Heyden explains.
The results show that rifampicin- and clindamycin-impregnated catheters are a helpful tool against CSF shunt-derived infection.
However, she agreed with being cautious: "You're talking about one helpful adaptation against one chemical, but there's a lot of other harmful particulates in smoke".
The step would be "a helpful deterrent" against senior executives risking giant losses at banks that would result in a government bailout and cost the taxpayer billions of dollars, officials say.
Mr. Baxter had been subpoenaed by Congress to testify about Enron, and investigators hoped he would be a helpful witness against his former peers since his name had surfaced as someone who had complained "mightily" about the financial partnerships now at the center of the company's collapse.
