"Boost Brain Health: Exercise, Sudoku, and a Healthy Diet for Aging"

As we age, our ability to retrieve words may slow down, but it doesn't necessarily indicate Alzheimer's. Tips to combat this include going through the alphabet, using word games, and incorporating less frequently used words in daily conversation. In terms of sex life in long-married couples in their 40s/50s, it varies, with some having sex once or twice a week, others two or three times a month, and some in a "sexless" marriage. Ultimately, what is satisfying for both partners defines a normal sex life.