Dr. Calvin Harley

HealthWatch: Bay Area Scientists Work To Reset Biological ClockScientists in Menlo Park have developed a new test to measure what may be the best biomarker of overall health status -- raising hopes that our biological clocks can be slowed, or even reset.

More From CBS San Francisco

Super Bowl 50
Get Your Tickets To CBS Radio's The Night Before Now!Follow along as two of the biggest names in rock join forces #TheNightBefore the big game!

Listen Live