Tim Allen. This is the latest accepted revision, reviewed on 7 April 2017. For those of the same or a similar name, see Timothy Allen (disambiguation). Timothy Allen Dick (born June 13, 1953), known professionally as Tim Allen, is an American actor, comedian and author.
Not necessarily. Some of the symptoms of low oxygen can be shortness of breath, fast heart rate, changes in the color of the lips and fingernails, but some people will have a low oxygen level without experiencing any of these symptoms. Others may experience these symptoms without having a low oxygen level.
How long will I need long-term oxygen therapy for? It is common to experience low oxygen levels following a flare-up of your condition. In over half of patients, oxygen levels will return to normal within a few months and the oxygen therapy can then be stopped.ome people may have low oxygen levels in their blood, for example because of a lung problem. Blood tests taken at the hospital have shown that the level of oxygen in your blood is low. Having low oxygen for long periods of time can place the heart and other major organs under stress.