You might be surprised to learn that at least 9 health habits that most of perform are definitely negotiable.

From going to the dentist twice a year to when to toss old milk read about a few unnecessary personal care rules which many of us follow.

Appliances and cleaning supplies can often harbor bacteria and mold derailing your efforts to keep things clean.

Regularly run your toothbrush through a clean dishwasher, using standard dish detergent. A 2011 study in the American Journal of Dentistry found that this method eradicated nearly all disease-causing bacteria. Another option is to soak your brush in a mouthwash that contains cetylpyridinium chloride, such as Crest Pro-Health Complete Rinse, for 20 minutes; doing this can also beat bacteria, the study found. To avoid flying feces, Tierno says, simply store your brush in a closed cabinet.