Yes, cervical precancers can be prevented through several measures: - Vaccination against HPV can significantly reduce the risk of cervical precancers and cervical cancer. - Regular screening with Pap tests and HPV tests can detect precancers early, allowing for timely treatment. - Practicing safe sex and limiting the number of sexual partners can reduce the risk of HPV infection. - Avoiding smoking can also lower the risk of developing cervical precancers.