From the Origins of Spices websites comes this:

There are a number of uses for spices other than for flavoring or cooking. Medicinal use of spices, anti-bacterial uses and more. Read on for more about other uses for spices.

Turmeric - Part of the curcumin plant, turmeric helps reduce inflammation. A study in the Journal Arthritis & Rheumatism finds turmeric stopped further cartilage destruction and blocks inflammation and is shown to reduce swelling. Use: Eat lots of dishes with curry several times a week. You can also find supplements. Take 1,000 mg turmeric capsules two or three times per day depending on symptoms. Always follow directions on bottle if available.

Rosemary - Used often in Mediterranean cuisine. Rosemary contains phytochemicals and antioxidants that research says reduces inflammation and as a pain reliever. Use: Do not use during or just before pregnancy. 4-6 drops of rosemary oil in warm bath water, or mix 4-6 drops with a capful (1 tsp.) almond oil and massage into your sore joints.

Read the rest here.