Exercises using a cable puts muscles under a constant tension. With free weights, the angle of joints are often changing, thus the resistance on the muscle is also changing. Under constant tension, blood flow is often increased, thereby resulting in quicker and bigger pumps.
News. Premature birth causes blindness among babies. Consultant eye surgeon at the Eye Hospital and co-ordinator of childhood blindness, Dr. (Ms.) Mangala Gamage said the new cause for blindness is Retinopathy of Premature babies (ROP), a disease of the retina among prematurely born babies.
1 Just 1% of the blind population is born without sight. 2  The vast majority of blind people lose their vision later in life because of macular degeneration, glaucoma, and diabetes. 3  With macular degeneration, central vision deteriorates, resulting in blurred vision and eventually leading to blindness.