Can old farts beef up their brains?
Yes
Who studied a group of seniors?
Scientists
Were they all from the same university?
No
How many difference schools were involved?
11
How old were the greyhairs they studied?
seventy to seventy-nine
What could short-term memory increase up to?
40 percent
What did they seniors need to do?
exercise
How many hours?
three
Daily or weekly?
weekly
Does the exercise have to be arduous?
No
What does it need to increase, though?
heart rate
Should learning be simpler or more complex?
More complex
What's a new skill or motion that might help them?
yoga
What's another?
tai-chi