The most common reason for hip arthoplasty is osteoarthritis in the hip joint
The answer to this question would be: D. higher rates of childhood insomnia
Secondhand smokes are known to cause lung problems such as bronchitis or asthma. In children, it also increases the Sudden Infant Death Syndrome or SIDS. Some research also says possibilities in higher rates of allergies. Insomnia has the least link to smokers
One of the big ones for me is communication. This is huge in a relationship. Understanding each other and listening helps both sides of a relationship.
Another one, trust. I should be able to trust that person (hopefully) without a doubt. Unfourtenly, every relationship comes with doubt.
You will doubt something or someone in the relationship, but that doesn't mean you end it. That's why communication is so important. Being able to talk through thease things, and work on trust and lack of doubt makes any relationship strong.
Cheers!