Candidates for deep-water lifeguard training also must swim 10 yards with a 20-pound weight attached to their bodies, whereas shallow-water lifeguarding candidates can walk the distance in water while holding the same weight.
Causes of Retrograde Ejaculation. Causes of retrograde ejaculation include surgery that involves the prostate, urethra or bladder, medication and some health conditions. Damage to the prostate tissue by radiation therapy or other types of nerve damage in the pelvic area can also cause retrograde ejaculation. Signs and Symptoms Retrograde ejaculation is typically not painful and is only noted by a decrease in the amount of semen that is produced during orgasm.
Delayed ejaculation can result from certain chronic health conditions, surgeries and medications. Or it may be caused by substance abuse or a mental health concern, such as depression, anxiety or stress. In many cases, delayed ejaculation is due to a combination of physical and psychological concerns.