Karen Kaplan


Karen Kaplan is science and medicine editor at the Los Angeles Times. Before joining the science group in 2005, she covered technology in the Business section for 10 years. In a parallel universe without journalism, she’d have a career in economics, genetics, biostatistics or some other field that describes the world in math.

Recent Articles

  • These five healthy habits could extend your life by a dozen years or more, study says

    These five healthy habits could extend your life by a dozen years or more, study says

    You know that getting exercise, eating vegetables and quitting smoking are good for you. A new study shows just how good they are, in terms of the number of years they can add to your life. American women who followed five “healthy lifestyle factors” lived about 14 years longer than women who followed...


    For kidnap victims such as Jaycee Lee Dugard, recovery is rare. A full portion of her life - her entire teens and 20s - was poisoned by her abduction at age 11 and the 18 years of brutal captivity and deprivation that followed. Even psychologists and psychiatrists skilled at confronting the worst...


    For a country in which about 200 million people are overweight or obese, scientists have discouraging news: Even those who maintain a healthy weight probably should be eating less. Evidence has been mounting that the practice of caloric restriction - essentially, going on a permanent diet - greatly...

  • Obama to lift stem cell research restrictions

    President Barack Obama plans to lift key restrictions Monday on federal funding of embryonic stem cell research, reversing one of the most-debated domestic policies of his predecessor, according to administration sources. The move has been widely anticipated by scientists and patient-advocacy groups...

  • More people, mutations seem to boost evolution

    Blue eyes are typically associated with beauty, or perhaps Frank Sinatra. But to University of Wisconsin anthropologist John Hawks, they represent an evolutionary mystery. For nearly all of human history, everyone in the world had brown eyes. Then, between 6,000 and 10,000 years ago, the first blue-eyed...

  • No proof of vitamin C, D, E benefits

    Long-term, large-scale studies detect no reduction in heart attacks, stroke, breast cancer

  • New way to glean stem cells

    Technique does not destroy embryo, could affect federal funding

  • Cell phone use slows traffic, study finds

    Researchers say talkers' hesitancy can make everyone's trips longer

1 234