- Q Why does a dental hygienist clean my teeth and not a dentist?
Dr. Jonathan B. Levine, DentistryCleaning is the dental hygienist's area of expertise. He went to school for this; he’s been trained for this. Him doing his job allows your dentist to concentrate on his areas of expertise. This arrangement makes for a better, more... Full Answer
- Q Is weight genetically determined?
Dr. Alice Domar, PsychologyYou were born with a genetically programmed weight range. Some nifty research has demonstrated this fact for us. In her book Rethinking Thin, the New York Times science writer Gina Kolata describes two studies performed by Ethan Sims, a... Full Answer