The phrase "a powerful trigger to" is correct and usable in written English.
It can be used to describe something that initiates or provokes a strong response or action.
Example: "The sudden change in temperature was a powerful trigger to the plant's growth cycle."
Alternatives: "a strong catalyst for" or "a significant prompt for".
This suggested to the researchers that kisspeptin is a powerful trigger for the chemical cascade that drives puberty.
Not only did this strong presence of smoking in the community make it less likely for participants to make a quit attempt, it also served as a powerful trigger for relapse " Yeah, given up about 20 times in that time but yeah, for some reason just don't work because everyone else around me smokes and it's hard to quit" (F, Male).
Research by the psychologist Jonathan Haidt, for instance, suggests that disgust is a powerful trigger for moral condemnation — being grossed out makes us mean — even if we are disgusted for reasons that have nothing to do with the person or act we are judging.
It is a well-known phenomenon in the neurology community that sleep deprivation is a powerful trigger for seizures.
"In our culture, we're tough on sadness, but it's a powerful trigger for seeking comfort and bonding," Keltner says.
Selective COX-1 inhibition such as the one produced by low-dose aspirin has been shown to have an antithrombotic effect mediated by a relatively specific, potent, and irreversible inhibition of platelet COX-1, which reduces thromboxane A2 biosynthesis, a powerful trigger of platelet aggregation [19].
Detection of hypoxia is important because hypoxia is a powerful trigger for gene expression and thus clonal selection of a more aggressive phenotype, for example, diminished apoptotic potential (Gräber et al, 1996; Koong et al, 2000).
Obesity is also a more powerful trigger for chronic health problems than either smoking or heavy drinking, according to research by Roland Sturm, a senior economist at the RAND Corporation.
