How a millionaire saved her daughter's life — and tens of thousands of others in the process

Soon after Martine Rothblatt founded what would become Sirius XM, her daughter, Jenesis, was diagnosed with pulmonary arterial hypertension.

The disease is marked by too much pressure in the blood vessels leading from the heart to the lungs, causing them to narrow and not carry enough oxygen.

Read the full article in the INSIDER.