Most of the answers have focused on the advantages of a written constitution, and clear disadvantages of an oral/unwritten one. However, the seeds of the disadvantages to a written constitution are also there. For example, it can concentrate greater power in the judicial branch that interprets it, rather than the legislature, which gets to daily decide what the constitution is when it is essentially unwritten.
Time Commitment. A treadmill can help you lose weight and tone all areas of your body, as long as you spend enough time on it. Depending on how rigorous your workout is, plan to spend between one and a half and three hours a week walking, jogging, or running.
The treadmill was designed to help alleviate pressure on runners' hips and knees. The AlterG treadmill allows me to do things I can't naturally do anymore, said Jesse Whitmier, a retired staff sergeant who is recovering from a recent surgical procedure.