Diverticulosis is incredibly common. By the time you reach your 50th birthday, there’s a 50% chance you will have it. And by the time you reach 80, the odds are 67%.

What if you were going along feeling well, and then for no obvious reason developed rheumatoid arthritis? It’s highly likely your doctor would put you through a battery of tests only to tell you he has no idea what’s causing it. And you wouldn’t be any closer to solving the problem.

One of the things that plague many of us as we grow older is an inability to sleep well. Sometimes the problem is falling asleep. Sometimes it’s not being able to go into the deeper stages of sleep. Sometimes it’s waking frequently. And sometimes it is a combination of all of these symptoms.