A bladder stone the size of a baseball—and with growth rings inside it just like a tree trunk—was spotted inside a 72-year-old woman. The woman, who has been paralyzed from the chest down for 30 years ...

Question: My mother in her 70s has mild cognitive impairment. She searched for words and forgets thing. It doesn’t majorly impact day to day life, but is this a definite pre-cursor for dementia? I am ...