Publications by authors named "J L Bulliard"
Article Synopsis
- A study investigated the relationship between solar UV radiation (UVR) exposure and childhood hematological malignancies in Switzerland, utilizing data from the Swiss National Cohort between 1990-2016.
- The research focused on children aged 0-15, identifying cancer cases and assessing UVR exposure using a climatological model to estimate UV levels at children's homes.
- Results showed a significant inverse association between higher UVR exposure, particularly in July, and the risk of acute lymphoblastic leukemia (ALL), suggesting that increased UV exposure might lower the risk of this type of cancer, though no connection was found for lymphoma.
Article Synopsis
- - The study assessed the effectiveness of personalized sun protection messages, combined with a UV photograph of participants' faces, targeting adults at high risk for skin cancer in Switzerland.
- - A total of 440 participants received counseling and their sun protection habits were evaluated before and after the intervention, revealing a wide range in UV spots and showing that 61% made positive changes in their sun protection habits within three months.
- - The findings indicate that individualized messages, especially those highlighted by UV photos, significantly motivated participants to improve their sun safety behaviors despite no specific demographic factors directly correlating with this behavior change.
Principles to guide and inform population-based screening decisions cover a wide range of aspects beyond the screening test. Colorectal cancer (CRC) meets these requirements for individuals at moderate risk aged 50 to 69. In Switzerland, screening using a biennial faecal occult blood test or colonoscopy every 10 years is reimbursed free of deductible in 12 programs covering 15 cantons.
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- - The study examined the effects of the 2019 BMJ recommendation against colorectal cancer (CRC) screening for adults with less than a 3% risk over 15 years, using Switzerland's population data.
- - It found that following this guideline would significantly delay screening for most individuals (ages 65 for women and 60 for men) and reduce the number of tests needed by 43%-57%, but also lead to fewer CRC deaths prevented and fewer life-years gained.
- - The conclusion suggested that the 3% risk threshold for initiating screening may be too high, as the impact of this recommendation would closely resemble standard age- and sex-based screening approaches, delaying care by 10-15 years.
Radon is a radioactive noble gas found in Earth's crust. It accumulates in buildings, and accounts for approximately half the ionizing radiation dose received by humans. The skin is considerably exposed to ionizing radiation from radon.
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