"prevent risks" is a correct and usable phrase in written English.
It means to take actions or precautions in order to avoid or minimize potential dangers or hazards. Example: It is important for companies to have safety protocols in place to prevent risks and ensure the well-being of their employees.
The Mekong River Commission's technical reports on the dam admits there is a strong possibility that the giant catfish could become extinct and that fish ladders and other measures were unlikely to prevent risks to the migration patterns of up to 100 species.
Thus, the district government has to strengthen its monitoring and control of the service center in order to prevent risks.
As institutes become more interested in lending their expertise to foresight projects which contribute to our common security, policy makers will be better enabled to prevent risks.
The results indicated that participants operating the virtual plant simulator are more likely to recognize and prevent risks in real situations.
To prevent risks of necrosis after transplantation, the graft vascularization process could be markedly enhanced by incorporation of autologous endothelial cells in the tissue-engineered organ.
To prevent risks of pulmonary consequences, a limitation of oral intake of food or a "nothing by mouth" regimen has been suggested.
We should recognise by now that regulation introduces moral hazard, raises costs, and suppresses competition and innovation, but doesn't actually prevent risk-taking or failure.
The court ordered that Mr. Patel be released from custody unless the government promptly shows that his continued detention is necessary to prevent risk of flight or danger to the community.
Therefore, some measures to prevent risk should be considered.
Safety systems are significant to reduce or prevent risk from potentially dangerous activities in industry.
The recommended diet for children would promote health, support growth, and prevent risk of disease.
