Eighty-year old mary urinates small amounts of urine quite often, likely due to bladder shrinkage and loss of bladder tone. what age-related condition does she have?

The answer is frequency condition. Women with normally aging bladders have weaker sensation; also increase in bladder sensation has a underlying condition called detrusor overactivity. Its a common condition referred to as overactive bladder where detrusor muscle that controls the emptying of the bladder contracts involuntarily creating a strong, sometimes uncontrollable urge to empty the bladder.