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.
Due to some heart and lung conditions, not enough oxygen is able to get into your blood to supply your body. Once your condition has been stabilized by medications, supplemental oxygen is used to correct a low oxygen level. This is a common misconception that many people using oxygen have heard. The air we breathe is 21% oxygen. Most people using oxygen are only receiving a slightly higher percentage (about 28% at 2 lpm). This is just enough to bring your blood oxygen levels back to an adequate level.