There are approximately eleventy-gazillion types of nuts out there. Most are pretty healthy, in moderation. They have unsaturated fats, help lower cholesterol and are a good source of protein.
You can get some wonderful things from nuts.
and of course....
Note - I got the idea of my A-Z theme from this site, but I hardly used any of their info & cited what I did use - like here! It's a pretty neat site.