Reviews Health & Medicine

Internal Time

Chronotypes, Social Jet Lag, and Why You're So Tired by Till Roenneberg

By Science News

Depression, weight gain and sickness are just a few of the health risks when internal biological clocks fall out of sync with daily life, a chronobiologist warns.

Harvard Univ., 2012, 272 p., $26.95

A version of this article appears in the June 30, 2012 issue of Science News.

More Stories from Science News on Health & Medicine

  1. Health & Medicine

    Traces of bird flu are showing up in cow milk. Here’s what to know

    By Tina Hesman Saey
  2. Health & Medicine

    Malaria parasites can evade rapid tests, threatening eradication goals

    By Jonathan Lambert
  3. Neuroscience

    Rat cells grew in mice brains, and helped sniff out cookies

    By Laura Sanders
  4. Health & Medicine

    Pelvic exams at hospitals require written consent, new U.S. guidelines say 

    By Meghan Rosen
  5. Health & Medicine

    A new U.S. tool maps where heat will be dangerous for your health

    By Nikk Ogasa
  6. Health & Medicine

    Aimee Grant investigates the needs of autistic people

    By Saima S. Iqbal
  7. Neuroscience

    These windpipe cells trigger coughs to keep water out of the lungs

    By Nora Bradford
  8. Health & Medicine

    What can period blood reveal about a person’s health?

    By Payal Dhar