Answer:
When S mutans, lactobacilli, and other plaque species were compared in vitro for their ability to ferment sucrose at different pH values, S mutans was found to be more active than the other bacteria at pH 5.0, and thus, it is probably most active in vivo at the very pH at which the teeth begin to demineralize.
Being underweight can contribute to a very frail and weakened immune system. It can make one feel tired mentally. And can also affect the bones by making them very brittle and frail sometimes.
Maniac symptoms. extreme mood swings. suddenly laughing after crying.
