Fiberglass and gunite pools are both more durable than vinyl and can last for decades. Exactly which type of pool is more durable is a matter of debate, though. Some would argue that a gunite pool will need a major renovation at some point, while fiberglass is practically impervious to normal wear and tear.
There are several different reasons why the prostate may become enlarged. 1  Causes of an enlarged prostate may include: 2  Benign prostatic hyperplasia (BPH) 3  Prostate cancer. 4  Prostatitis.
According to the American Heart Association, an enlarged heart develops when the heart muscle thickens and enlarges to accommodate the additional stress, called hypertrophy. The organ increases its cell size because it is difficult for it to pump blood at its normal size.