Is it biologically harmful to cry?
The science of emotions: Jaak Panksepp at TEDxRainier
Last update: 2 answers
How stress affects your body - Sharon Horesh Bergquist
Is it harmful to run in the morning (some sources say it is useful to jog in the morning, while others say it is harmful)?
Motivated by the fact that the heart has not yet gained momentum, it is asleep, so to speak, by analogy with the engine - to start a cold car and immediately give high speed - to put the engine down.