With millions of people affected by Alzheimer’s disease, there is a lot of interest by drug companies to come up with a cure. But that interest has thus far not translated into drugs that work. Two companies—Pfizer, Inc. and Axovant Sciences Ltd.—have recently exited the business, but others are continuing their research, and new ones are starting. Curiously, new research indicates that drugs used to treat diabetes may work for Alzheimer’s too … at least in mice.

The brain needs vitamin B1 (thiamine) to make acetylcholine as Alzheimer’s sufferers are deficient in it.

And another possible way to avoid, or at least delay, Alzheimer’s is to floss your teeth religiously.