Apparently, sniffing insulin can help memory loss in Alzheimer's patients. I find this very interesting! Here is a link to the article:


http://www.reuters.com/article/idUSTRE66F01X20100716?feedType=RSS&feedName=healthNews&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+reuters%2FhealthNews+%28News+%2F+US+%2F+Health+News%29