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3.3 Other effects of adrenaline

As the DSB increases the secretion of adrenaline repeatedly, the following phenomena can affect negatively the wellbeing of the human body especially in its weaker points and along with aging:

  • The adrenal gland secretes hormones.
  • The heart contracts stronger and beats faster.
  • Blood pressure increases.
  • Blood sugar increases.
  • Blood vessels on the skin contract.
  • Sets hair on the skin on end.
  • The pupils distend, improving the sharpness of vision.
  • Respiratory passages become wider.
  • Digestion gets slower.
  • Perspiration increases.
  • More blood flows into muscles than usual.

 (Leinonen, M & others) Koulun biologia. Ihminen.

The following chapter 3.4 Stress in the body and brain