After chapter 12 of the manga, or episode 5 of the anime, Izumi is left with a scar on the center of his chest and back. He becomes more muscular, and in the anime he removes his glasses, since he no longer needs them. After chapter 17 of the manga, or episode 7 of the anime, Shinichi begins spiking his fringe upwards.
Sulfur is also important for the protein quality of produces, and controls plant metabolism in enzymes. Plants take up sulfur in the form of sulfate. Because of the synergies between nitrogen and sulfur, it is most efficient to apply these two nutrients together.
The clinical use of sulfur as an adjunct in our diet is becoming progressively more recognized as an important tool for optimizing health. MSM is already well known for its joint health benefits, but it may be important for a whole host of other reasons as well.