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.
Shares of Arconic (ARNC) jumped on the stock market today, making it the top performer on the S&P 500 index as Monday's sudden resignation of CEO Klaus Kleinfeld raised investor hopes that the high-end aluminum products firm may take further steps to unlock shareholder value.