Foods that have roughly the same number of calories from fats, calories, and protein will be found closer to the center of the pyramid. Read more about the Caloric Ratio Pyramid. Caloric Ratio Pyramid for Grapefruit, raw, pink and red, all areas. This feature requires Flash player to be installed in your browser.
Causes of Pleural Thickening. Pleural thickening is a condition of the lungs that is most often caused by the long term exposure and inhalation of asbestos particles which then settle on the pleura, or pleural membrane (the thin area surrounding the lungs) causing the area to thicken, calcify and/or scar.
This is more serious than pleural plaques as it can cause pain and breathlessness because the lung has difficulty in expanding. This can reduced your quality of life. There is no cure for pleural thickening. Pleural thickening is damage and thickening of the wall between your lung and your rib-cage.