Weekly health news roundup: 19 January 2015

top health news January 2015

Image: Sedentary lifestyle: Obesity and computers by FBellon (CC BY 2.0).

International health news

  • Inactivity deadlier than obesity — A 12-year study has suggested inactivity kills twice as many people as obesity as people are urged to exercise just 20 minutes a day.
  • Flu vaccine only 23% effective – Poor results from this season’s flu vaccine in the US and Canada shows it doesn’t ward of the most common strains of the virus.
  • Sleep aids learning in babies — The best time to learn and remember things may be just before a nap, with the effect particularly strong in young children.

Health advice

Country health updates