Extra Pounds. When it comes to preventing chronic disease, weight maintenance is of primary concern. Excess weight is one of the primary effects of an unhealthy diet. The Centers for Disease Control and Prevention defines overweight as having a body mass index, or BMI, of 25 or higher.
The definition of clean is not dirty, or sober, or off of drugs, or morally pure. An example of clean is a room that has just been vacuumed and dusted.
To clean is to take action to make something not dirty. An example of clean is to vacuum or dust. 1  free from dirt, contamination, impurities, pollutants, etc.; unsoiled; unstained.  free from disease, infection, radioactivity, etc.