Question: is this a 2) strong advice, 1) weak advice 0) no advice?

A strength of this research is our investigation of four sensitive immune biomarkers, each quantifying functionally distinct, low levels of immune activity that, while metabolically costly, likely do not result in anorexia, physical inactivity, or other energetically relevant symptoms of infection (35, 41) that could obscure tradeoff relationships. 
user
This is no advice
assistant