Clinically, angina pectoris was known to be precipitated by anxiety and emotion just as well as by exercise.
When you are young, nothing is more important than football, but as you get older, you get married, have kids and lose people. Then you realise your family is more important. This comes with age.
I'm talking about science on the leading edge, where it's not clear which way things are going be cause we don't know, and I'm dealing with areas which we don't know about.
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