Interferon-γ release assays or tuberculin skin test for detection and management of latent tuberculosis infection a systematic review and meta-analysis

IFN-γ release assays have a better predictive ability than tuberculin skin tests. Individuals who are positive by IFN-γ release assay might benefit from preventive treatment, but those who are positive by tuberculin skin test probably will not. Dual testing might improve detection, but further confirmation is needed.

Vitamin D Supplements for Prevention of Tuberculosis Infection and Disease

Vitamin D supplementation did not result in a lower risk of tuberculosis infection, tuberculosis disease, or acute respiratory infection than placebo among vitamin D–deficient schoolchildren in Mongolia.

UK Age  Effect of mammographic screening from age 40 years on breast cancer mortality

Yearly mammography before age 50 years, commencing at age 40 or 41 years, was associated with a relative reduction in breast cancer mortality, which was attenuated after 10 years, although the absolute reduction remained constant. Reducing the lower age limit for screening from 50 to 40 years could potentially reduce breast cancer mortality.