Along with a short waist, brown eyes, dark, wavy hair and a certain degree of stubbornness, I inherited something else from my father.
Genes can increase the risk of rheumatoid arthritis, although other factors do come into play. RA doesn't discriminate and in my family, both my dad and my paternal grandmother had it.
To read about the genetic link, please see the article posted on The National Institute of Health website.
For more information about how RA affects men, please see that inimitable RA Guy's post entitled XY with RA.