One of the early signs of rheumatoid arthritis is stiffness, pain, and swelling in the hands and feet. The onset is gradual for some and immediate for others, but regardless, most people with RA wake up one day and realize that the joints in the ball or sole of their feet are too painful to walk on.
US oil falls on unexpectedly large inventory build. U.S. oil prices crashed below $27 dollars a barrel on Wednesday for the first time since 2003, caught in a broad slump across world financial markets with traders also worried that the crude supply glut could last longer.
The production cost of a barrel of shale oil ranges from as high as US$95 per barrel to as low US$25 per barrel, although there is no recent confirmation of the latter figure. The industry is proceeding cautiously, due to the losses incurred during the last major investment into oil shale in the early 1980s, when a subsequent collapse in the oil price left the projects uneconomical.