Sitting too long
Numerous studies have shown that sitting too long every day can kill you … and it appears that this is true even if you exercise. While you can’t help it if you have a job that requires sitting, there is some positive news: People who sat for less than 30 minutes at a time had the lowest risk of early death. Set a timer and stand up and stretch every 30 minutes to better your odds.
Next: Toss those butts for good.