2 ms·

I'm guessing they're downvoting you because you mentioned studies but provided no links, so here's one I found[1]. [1]http://www.ncbi.nlm.nih.gov/pmc/articles/

by Shengbo 11y ago

I'm guessing they're downvoting you because you mentioned studies but provided no links, so here's one I found[1]. [1]http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892765/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892765/