Answer:
One of the reasons that you may have mental health is because you see so much screens . When you are under 12 years old,your brain is a silk and the texture of the brain, like a marshmallow. When your in front of a screen, your brain catches on fire and shrinks. When fast movement on a screen, your brain gets electrocuted.Only if its necessary 2 or 3 min for ages of kids of 12 year old kids.
7 days a week is recommended for any age to be hygienic but that's should you could never shower i guess i mean it's your choice but don't do that 6-7 is healthy or "normal"
Some uncontrollable risk factors for disease is genetics and exposure.