1.   The prevailing theory held that protein was most likely the material conveying heredity.

2.   There is a prevailing theory that basal hypotonia of the UOS is the cause of pathological oesophagopharyngeal reflux.

3.   The prevailing theory that oesophagopharyngeal reflux is due to lowered basal UOS tone has not been supported.

4.   Prevailing theories, once they no longer seem appropriate, have been dispensed with.

5.   A prevailing theory is that the immature retina produces a chemical that stimulates growth of blood vessels.

6.   A prevailing theory is that stress leads to increased production of hormones like adrenalin that in turn affect arteries and enhance development of atherosclerosis.

7.   According to prevailing theories, the explosion scattered primordial particles in all directions, and the matter gradually condensed into stars and galaxies.

8.   According to prevailing theory, a planetary system forms from a disk of gas, dust and chunks of rock that surrounds a newborn star.

9.   Did this undermine the prevailing theory that planets form by a snowball effect of growth from small ones to large bodies?

10.   Emmitt should have been cut last week, at least based on all prevailing theories and standards in that strange league known as the NFL.