Frequently, these people transiently awaken when they resume breathing. Sleep apnea is a very serious complication of obesity. It is common mostly in women. A detailed description of this disease enables one to understand the damage it can cause. We tend to think that the bone is a solid stony mass but it is not so a cavity.
Bones keep on breaking down in minute amounts and are replaced constantly.
This function in known as remodeling. This remodeling process helps in maintaining strong bones. Since the body needs calcium for other activities, it tends to restore the calcium from the bones thus the calcium level in the blood drops too low. As a result the bones become porous with a spongy appearance. This condition is known as osteoporosis.