What do the varying widths of the band in the MyPyramid plan represent?

What are your thoughts on nonhuman trials? do you feel that testing should be done on animals? what are the advantages and disadvantages with nonhuman trails?

Larry is taking a walk in the park, the pollen in the air makes him sneeze consistently what line of defense is his immune system exhibiting

When a doctor suspects that a patient may have diabetes based on what symptoms?