Remember NEC's LaVie Z Ultrabook we first heard about at Computex?

ENGADGET: Spotted at IDF: NEC's lightweight LaVie Z Ultrabook (hands-on video)

We spent a few minutes using the LaVie Z and were quite impressed with how lightweight and well made it is.

ENGADGET: Spotted at IDF: NEC's lightweight LaVie Z Ultrabook (hands-on video)

Meanwhile, Dr. O'Keefe's fellow author on the upcoming Heart paper, Carl Lavie, continues racing at speeds slightly above what their editorial recommends.

WSJ: Endurance Sports: Studies on Older Endurance Athletes Suggest the Fittest Reap Few Health Benefits

"I don't think it's overwhelming evidence, " says Carl Lavie, medical director of Cardiac Rehabilitation and Prevention at Ochsner Medical Center in New Orleans.

WSJ: Heart-Healthy Chocolate: Dark and Bitter Treat

"I did a turkey day five-mile race in 38 minutes, " said Dr. Lavie, a cardiologist at the John Ochsner Heart and Vascular Institute in New Orleans.

WSJ: Endurance Sports: Studies on Older Endurance Athletes Suggest the Fittest Reap Few Health Benefits

Chip Lavie, a cardiologist at the Ochsner Clinic in New Orleans, says that he would not worry about using Vioxx for short-term use, but understands Merck's decision to pull it.

FORBES: Behind Merck's Fall