Polar bears are excellent swimmers and they will travel long distances between shore and the sea ice if necessary. However, if a storm kicks up during these increasingly long swims (caused by the warming ocean) they can drown. These long swims and storms are also often difficult for cubs.
A urethral stricture is an abnormal narrowing of the urethra that slows or blocks the stream of urine exiting the body.The urethra is part of your urinary system, which is also known as the urinary tract. urethral stricture is an abnormal narrowing of the urethra that slows or blocks the stream of urine exiting the body.
Many people have a good outcome after treatment for a urethral stricture. You may need future treatments as well if the stricture is the result of scar tissue. In some cases, stricture can cause urinary retention, the inability to urinate due to complete blockage in the urethra.