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.
Treadmills offer a versatile way to exercise regardless of whether or not the weather chooses to cooperate with your fitness plans. Walking on a treadmill works the same muscles that walking on a track or outdoors does. The main difference is that you can easily change speed and incline. Walking on a treadmill can improve cardiovascular health and burn calories leading to weight loss.