MuscleWiki - Understand your body, simplify your workouts
Heart for Heart - Monitor your heart in 90 seconds. For a good cause. 💓
Rejoy Health - Digital clinic to treat and manage back and joint pain
AliveCor Mobile ECG - A freakin' heart monitor for your smartphone
PainScale - Find treatments for your chronic pain
HeartIn Portable Electrocardiograph - PC/Smartphone compatible ECG. Check your heart anywhere.