There is not a lot of evidence that the compound itself is estrogenic, but it may affect how estrogen is metabolized in the body, leading to feminizing outcomes.
Pubmed is a good source for information in the biomedical literature- here is a pubmed search that has more information on those terms.
Looking through some of the results of that search, I find ...
The wiki for aspirin exacerbated respiratory disease seems to have a straightforward explanation:
When medications such as NSAIDs or aspirin block the COX-1 enzyme, production of thromboxane and some anti-inflammatory prostaglandins is decreased, and in patients with aspirin-induced asthma, this results in the overproduction of pro-inflammatory ...
According to Diet Induced Thermogenesis (Nutrition & Metabolism, 2004), the percent of calories converted to heat depends on a nutrient:
A mixed meal: ~10% (this is an estimated average)
The thermic effect of nutrients is not a fixed value and can vary greatly within a person and from ...