The phrase 'underlying impact on' is correct and usable in written English.
You can use this phrase when you want to refer to an influence or effect that is not visible but is still present. For example, "Despite its small size, the island's population has had an underlying impact on the surrounding environment."
But while the sleek white apple with its global reach and Midas sacks of money may have eclipsed the mischievous little green and red one, in terms of passion, vision and underlying impact on our cultural history, there is something to be said for a comparison between little David - or should we perhaps call her Davina - and Goliath.
In the story, Dr. Steve Larson, a co-founder of Puentes de Salud, that the organization is different from other community health groups, because it addresses the economic and social conditions that have an underlying impact on the health of individuals.
Despite the growing popularity of participatory peer education as an HIV-prevention strategy worldwide, our understandings of the processes underlying its impact on sexual norms are still in their infancy.
Subsequent experiments investigated mechanisms underlying Cnr2 impact on obesity.
Further studies are required, however, to define the structural basis of a direct effect of carbohydrate polymers in relation to signaling and receptor binding and investigate the underlying extraintestinal impact on regulatory cells involved in the immunoregulatory effect.
However, little is known about the mechanisms that underlie its impact on health literacy.
Dietary fat is composed of a complex matrix of fatty acids, with unique chemical and biophysical properties that underlie their impact on health and disease.
Devastating affects of colonization resound through the generations and is considered to be one of the underlying reasons impacting on the poor health of Aboriginal people today.
The molecular mechanisms underlying ethanol's impact on the adaptive immune system remain poorly understood.
Although our studies do not address the molecular mechanisms underlying the dissimilar impact on cholinergic and catecholaminergic phenotypes, there are a number of likely candidates.
Also factors, such as differences in underlying comorbidity, will impact on short-term survival but are rarely adjusted for in comparative survival estimates.
