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

However, while we did not observe a stress induced improvements in learning/memory performance in either STR or LMC mice, neither did we see a decrease in cognitive performance, as reported by many previous studies utilizing longer duration stress protocols (Anisman et al, 1998; Levine, 2002; de Kloet et al, 2005; Meaney, Diorio, Francis, Widdowson, LaPlante, Caldji, Sharma, Seckl, & Plotsky, 1996; Liu et al 2000). 
user
This is no advice
assistant