A recent study published in Translational Psychiatry has found a connection between the bacteria in our mouths and mental ...

And the result “identified alterations in tryptophan metabolism, and specifically indole, that correlated with disease.” “We ...

These are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. Although your body can make nonessential amino acids, it cannot make essential amino ...