# Possibility of gene editing and disease immunity Gene editing technology does show the potential to improve human health, but your question involves many scientific and ethical considerations. ## Current technical possibilities Currently, genetic intervention studies for specific diseases include： -**CRISPR-Cas9 technology**: Reliably modify specific gene sites -**Targeted research**: Such as PCSK9 gene editing for cardiovascular disease, or research on genes related to cancer susceptibility -**Single-gene genetic diseases**: Treatment attempts such as sickle cell anemia, cystic fibrosis, etc. ## Important limitations and challenges However, the creation of a "universal immunity" humanity faces major challenges： 1. **Complex heritability**: Most common diseases are affected by multiple genes and environmental factors 2. **Off-target effects**: Gene editing may lead to unexpected genetic changes 3. **Ecological balance**: Immunity to certain diseases may bring other health risks 4. **Ethical issues**: Profound ethical disputes involving genetically modified humans ## More practical direction A more reasonable research direction may be： -Therapeutic gene editing for specific high-risk diseases -Targeted editing to improve the function of the body's natural immune system -A comprehensive approach that integrates gene therapy with traditional medical care This field requires careful scientific exploration and extensive social discussion to ensure that human dignity and biodiversity are respected while pursuing health.