The cause of the burning sensation you feel in your muscles while exercising is twofold: it is partly due to the build up of lactic acid, but it is also due to a lack of oxygen. 1  You can ameliorate this by paying close attention to your breathing while you exercise.
| License Photo. NEW YORK, June 18 (UPI) -- Heading into Thursday, the highest level the Nasdaq had ever reached was 5,132.52 -- a mark set in March 2000. At the close of trading, the composite was nearly a half-point higher -- and good for a new all-time record.
Among specific stocks, United States Steel Corp. surged 11% while AK Steel Holding Corp. advanced 11.5%. Nucor Corp. was 4.8% higher on the day, while aluminum maker Alcoa Corp. was up 3.4%. The Dow Jones Industrial Average rose 0.7% while the S&P 500 was up 0.6% and the Nasdaq Composite Index added 0.5%.