Please express my sympathy your friend, Jenise -- the sense of smell is so important to a wine lover. A few thoughts:
1. We have some experience with changes in the ability to smell as the result of head trauma and would be happy to share some direct examples privately (although the cause was quite different in our case).
2. As a result I've done quite a bit of study in the area and can share some general impressions.
3. The sense of smell can change significantly over time -- one woman I met had her's return after five years, another person after three months, but one man I met had lost the sense 30 years earlier.
4. Sometimes people lose some but not all of the ability to sense smells. It's well worth while trying a wide variety of different smells to determine if the is a range in the palate that can be smelled. As you know, there are over 10,000 different scents that people can identify, and I find it very hopeful that your friend still likes certain wines with strong attributes.
5. It is tough to find doctors who take the loss of the sense of smell very seriously -- there are some side effects -- depression and loss of libido were two that folks mentioned to me, but doctors they consulted treated those problems and none were certain the problems were related to their loss of smell.
6. Two of the people I talked to consulted Richard L. Doty, PhD., Department of Otorhinolaryngology at UPenn: Head and Neck Surgery, Director, Smell & Taste Center, 215-662-6580. They both were very positive about him, but although I read a couple of his papers, I don't know him personally.
7. Janet gave me the Nez du Vin several years ago, including three subsets of aromas and flaws, and it is great fun to use. His idea of trying it is a very good one in my judgement -- here's a link to the US distributor: http://www.makescentsofwine.com/?gclid= ... GgodVzdkyw
8. The scents are very high quality and have lasted for over ten years since Janet gave me the first kit. The wine focus is excellent, of course, but he may find that he can identify a couple of scents that would lead him to other sources of scents.
9. I represented a small scent company in France, Camille la Rue located near Cannes in the south of France. The salesman (who made much more money than anyone else in the company) carried a kit of scents -- probably 1500 or so -- that were used to make new perfumes. If your friend could make the acquaintence of such a person, he might be able to increase his range.
10. He should also seek out other sources of odors of all types -- flower shops, horse stables, etc. One lady I met was able to regain a portion of her ability to smell after she got a job in a pizza parlor cutting and boxing pizzas for take-out.
11. I know there is a support group for folks with this disability -- if he would be interested, I'll contact one of the folks I've mentioned and give him a couple of leads.
If Janet or I think of anything else that might be helpful, I'll revert.
PS: NIH has recently greatly expanded its website devoted to smell/taste problems, primarily because older folks often suffer from them -- it can be a sign of Alzheimer's, for example.
[Wine Lover Fact: Thomas Jefferson started griping about how wine didn't taste so good several years before his death.]
But the info is topflight and much of it is applicable to younger folks, especially those suffering from head trauma -- http://www.nidcd.nih.gov/health/smelltaste/
Jack could also contact one of their researchers, who will give him a list of current resources -- this group was set up in 1991 and it is an excellent resource for people with many sorts of health problems. http://www.nidcd.nih.gov/health/misc/clearinghouse.htm