Water retention, formally known as edema, is a symptom of a number of conditions including dehydration, constipation, hormonal changes, excess sodium in the diet, heart conditions and kidney problems.
dross. n. 1. Waste or impure matter: discarded the dross after recycling the wood pulp. 2. The scum that forms on the surface of molten metal as a result of oxidation. 3. Worthless, commonplace, or trivial matter: He was wide-awake and his mind worked clearly, purged of all dross (Vladimir Nabokov).
Dental floss is regarded to be an efficient cleaning aid for teeth health care. It is basically a thin and soft thread which is made from material like nylon or plastic. It helps in removing food and plaque which tends to reside between the teeth.