How long can a human live without water How long can human live without food? A human can't live without food for 3 or 4 days (however your body type is,) and a human can't live without water for 2 or 3 days.
Cavities refer to tooth decay, which occurs when specific types of bacteria produce acid that destroys the toothâs enamel and its underlying layer, the dentin. Signs & Symptoms. Cavity symptoms include: 1  Toothache. 2  Sensitivity to sweet, hot or cold foods or drinks.
The terms dental caries, tooth decay and cavity all refer to the same thing and can be used interchangeably. It's pretty easy to see why the term cavity, which means a hole, has come into usage. The same can be said for the term decay, which makes reference to the destructive (decaying) aspect of this disease.