<span>the metallic taste most probably comes from residue soap components (bases, the soap itself, proteinases ...) all of which can be washed away with water and a little scrubbing with your hand. I highly assume a dishwater save metal is also reasonably inert and therefore has no distinct taste.</span>
<span>The resistance of the body to a pathogen is called the immunity.</span>
I recommend caffeine preferably coffee from starbucks or maybe even a monster energy.