Repeat something enough, and it becomes a habit, and when it comes to habits, there’s no age limit. Your senior family member might still pick up a habit or two, even in their twilight years. However, not all habits are good, and some of them are even unhealthy enough that they might shorten their remaining years in the world.
Of course, we don’t want this to happen, so if you see that your loved one is picking up a bad habit, especially an unhealthy one, you might need to intervene. But, what unhealthy habits are we talking about here?