Brother and Sister

1. Laxmi and Moon are Brother and Sister
2. Having Appeared from Samudra(Ocean) During Samudra (Ocean) Manthan (Churning)
3. Moon Choose Shiva Head and Laxmi Choose Vishnu Feet

God of Medicine Hence Good Health

http://en.wikipedia.org/wiki/Vaidyanath_Jyotirlinga,_Deogarh
http://totreat.blogspot.com/2012/01/god-of-ayurveda-salutions-videos.html