Do you need a vitamin B12 boost?

... and cognitive decline. There's also evidence it protects against macular degeneration, a serious eye disease. Like Vitamin D, B12 is taken for everything from memory loss to slowing aging, depression and osteoporosis, asthma and cancer prevention. ...

http://chealth.canoe.ca/channel_health_news_details.asp?news_id=33495&rss=67&rid=999999&news_channel_id=10&channel_id=10&rot=3