Getty Images/Tanja Ivanova
- Daylight-saving time is a killer, scientists say.
- A third of the world and most US states observe daylight-saving time.
- DST is linked to increases in heart attacks and car accidents.
Summer is coming to an end, meaning we're in our final weeks of daylight-saving time for the year.
The annual ritual in which we "gain" an hour of evening light in the summertime by pushing the clocks forward one hour each spring may seem like a harmless shift. Most Americans love it.
But it's actually incredibly controversial, and doctors including those in the American Medical Association say the damage it causes to our health is not worth it.