We think of gold primarily as either bullion or jewelry, but the precious metal has many other uses. In the old days, it was used for tooth fillings and even the odd false tooth. Nowadays, uses range from industrial to medical, to agricultural. For instance, gold is used to treat pain in patients with rheumatoid arthritis. It is liquefied, injected into muscle tissue, and reportedly helpful in 70 percent of cases.  Writing historical fiction doesn’t only mean researching the time period of the book’s setting. For my newest release, Miss Wetherham’s Wedding, my heroine owns the controlling number of shares in…

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