This counterintuitive pattern likely reflects, first, measurement limitations of the binary exercise indicator, which cannot differentiate intensity, frequency, or underlying purpose, and second, selection and reverse-causality processes whereby individuals with chronic conditions may be more likely to initiate or report exercise in response to clinical advice or self-management needs
We hypothesize that the more timepoints a mother experiences a mental health concern or uses tobacco products, the lower the average breastfeeding duration
Other physicians, especially in New England, wrote about the adverse health consequences of smoking throughout the 19th century
However, there is little scientific evidence supporting the effectiveness of detox drinks or detox kits, and their results can be unreliable
These patients have gum damage that differs from what is commonly seen in users of traditional tobacco-based snus