Originally Posted by NoTravelIsFree

Generally the aging process takes a toll on the body, although here are multiple variables though that will mitigate or exacerbate the effects of aging - diet, exercise, genetics etc.. It does not mean that a 25 year is always in better physical and mental condition than a 58 year old, nor that the 25 year old is in the best position to provide appropriate service in routine and emergency situations (and by an large, I think the majority of flights and FA duties are fairly routine). If you cannot effectively do the job then that becomes a deciding factor for continuing, regardless of what age you are.