Publications by authors named "Yongling Yuan"
Article Synopsis
- The study evaluated the impact of high background radiation (HBR) on mortality among over 31,000 residents in Guangdong Province, China, from 1979 to 1998.
- Researchers tracked deaths and migration every few years, calculating individual radiation exposure based on local doses and demographic factors.
- Results indicated no significant relationship between cumulative radiation dose and mortality rates for leukemia, cancer (excluding leukemia), or non-cancer diseases, suggesting HBR may not pose a substantial health risk in this cohort.
Cytogenetic investigation of stable-type aberrations (translocations) was carried out with our improved methods on 28 elderly individuals in a high-background radiation area (HBRA) in China, and on 24 elderly individuals in a control area (CA). The level of radiation in HBRA is 3 to 5 times higher than in CA. The mean frequencies of translocations per 1,000 cells in HBRA and CA were 12.
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- Cytogenetic studies analyzed chromosome translocations in children and elderly from high background radiation areas (HBRA) and control regions in China.
- A total of 68,297 cells from the elderly and 45,535 cells from children in HBRA were examined, revealing small variability in translocation rates among children but larger variations in elderly individuals.
- No significant difference in translocation frequencies between HBRA and control groups was found, indicating that natural radiation levels contribute minimally to chromosome abnormalities compared to chemical mutagens and other factors.