1) Brain Cancer. ...
2) Increases stress level. ...
3) Weakens immune system. ...
4) Chronic pain. ...
5) Eye/ vision problems. ...
6) Hinders sleep. ...
7) Germs. ...
8) Hampers your thinking process.
The difference between "lie" and "lay", is that lay is to place something in a position of use, and lie is to, be still or to be kept in a specified place.
Example for lay: "it is recommended to have your tile laid by professionals"
Example for lie: "The dress lay still on the bed "<span>
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