Dopamine , watching , engaging in entertaining or satisfying content can trigger the release of dopamine. This hormone is neurotransmitter or a chemical which is associated with pleasure , motivation etc activities. Frequent release of this hormone can cause addiction .
Cortisol = when we watch something stressful, disturbing , provoking content can elevate cortisol level, increases stress and anxiety.
Similarly watching thrilling, romantic, heartwarming, emotional, social content stimulate various hormone like oxytocin, adrenaline, endorphins , serotonin etc
This causes Disbalance of hormone, due to which body functioning become abnormal.........
Problem like anxiety, sleeplessness, weak eye sight, allergy , stress, is very normal now a days . Not only the adults, but also the younger are getting affected by this.
We should be careful about our content, feeds. We should try to control our thumb to not scroll. We should watch only that much which is essential, or required...
More likely we should off the suggestions, watch history.........
Hopefully this will help you.....