It's kind of like a recycling program for health. MedShare International collects surplus medical supplies and gives them to facilities in less fortunate countries.
Mercy Medical Airlift offers free medical flights for patients or families of patients with a financial need. It also offers flights for funerals. You can donate frequent flier miles to them.
Men’s Health Network is a charity dedicated to keeping men healthy and advocating on their behalf. Here's a brief profile.