[noname123]

Depends on what area of health you want to focus on.

PCP/patient interaction - WhatsApp Doc, a iOS app that is based off books/resources like this: http://www.medicinenet.com/script/main/art.asp?articlekey=13... that help patients plan their apt. with specialists/PCP ahead of time.

Pharmakinetics - More for pharmacists but apps that store drug information for different drug regimen that the patient is on and figure out if there's a bad interaction.

Health Informatics - More in hospital and clinic settings. Electronic medical records.

Personal Genomics - 23andme as a consumer startup; but data mining and analysis based on either SNP or more available in the future, whole genome sequencing for a person ($3000 and declining)

Retail Medical Devices - Tracking devices for diabetics that is linked up to their mobile devices, etc.