Jewaun was transferred to the children's hospital at the University of Chicago, where doctors discovered that a frighteningly virulent staph infection--impervious to standard antibiotics--had begun at the knee and spread through the body.

FORBES: Germ Warfare

All-wheel-drive was optional, with seven airbags (including one at knee-height for the driver) and stability control standard.

FORBES: Lexus RX 350

We have over twice as many people per capita getting knee replacements and heart stints than any other developed country with a comparable standard of living.

FORBES: How to Heal the Healthcare System