Researchers said that reducing perception of effort during exercise using caffeine (or other psychoactive drugs like methylphenidate and modafinil) could help people to stick to their fitness plans.

They pointed out that perceived exertion is one of the main reasons why most people choose sedentary activities for their leisure time.

Together with lack of time, physical exertion is one of the main perceived barriers to exercise, the researchers explained.

Compared to watching television (zero effort), even moderate-intensity physical activities like walking requires considerable effort, they added.  

Researchers suggested that the use of caffeine or other psychoactive drugs to reduce the perception of effort during exercise can make the healthy choice easier.

The paper was published in the journal Sports Medicine.


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