Among the hits: a Hepatitis B vaccine, a treatment for inter-cranial aneurysms and a bovine growth hormone.

FORBES: Entrepreneurs

Biden faced his own mortality in 1988, when he had two brain aneurysms.

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You see, the reason it was so difficult to find my Lance Armstrong is that most aneurysms give no symptoms, no warning, before they rupture.

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Although aneurysms can occur in the chest (the thoracic variety killed actor John Ritter last year), 90% of the time they occur in the abdominal aorta.

FORBES: By the Numbers

Until a few years ago, to treat aortic aneurysms surgeons cut a patient from breastbone to pubic bone and replaced the damaged section with a synthetic tube.

FORBES: By the Numbers

Richard Randall pocketed enough money to retire before the age of 40 by taking public a little company called Target Therapeutics, a developer of less-invasive devices for treatment of aneurysms and stroke.

FORBES: Balancing Act

"I had my first heart attack aged 39, (have had) three more since then and three big brain operations for eight aneurysms, which they reckon is some kind of record too, " he said.

BBC: John Richardson

Hard-to-detect aneurysms can kill without warning.

FORBES: Light It Up