Medicina clinica
-
Observational Study
Association between reproductive history, breast cancer subtype, and survival in premenopausal women.
Reproductive history influences breast cancer risk. We analysed its association with tumour subtype and survival in premenopausal women. ⋯ The findings suggest an association between age at menarche and age at first delivery and breast cancer subtype. Nulliparity is associated with worse survival.
-
Sedentary behavior is a predictive factor for numerous diseases. The objective of this study was to assess the evolution of the prevalence of sedentary behavior in the Spanish adult population between 1987 and 2020. ⋯ The prevalence of sedentary behavior in the main activity is increasing in Spain, whereas during leisure time it is decreasing. It is important to implement prevention and health promotion measures aimed at reducing sedentary behavior in the population.