By definition, the etiology of primary osteoarthritis is unknown, but the pathology and pathogenesis of osteoarthritis have been extensively studied. [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] Historically, osteoarthritis has been divided into primary and secondary forms, although this division is somewhat artificial.
What's your relationship to the couple? - While the average gift ranges from $50 to $100 for those under 30, expect to spend $100 or more if you're close friends with the couple and are more established financially. For your nearest and dearest friends and relatives, gift costs can range from over a $100 to $200 or more.
So, Really, How Much Should You Spend On a Wedding Gift? For your coworker or boss: $75 - $100. You see them every day, and, hopefully, you'll have a long working relationship with them. For a neighbor or casual acquaintance: $50 - $75 is totally fine. You can spend more if you have it, but it's not absolutely necessary. For a friend or relative: $100 - $125. These are people you love and want to celebrate. For a close relative or close friend: $100 - $175.