Yes, of course! If a player frankly can not control his emotions, then he should not play poker. This person can lose a lot of money in poker. And this, indeed, can ruin a person's life. Everything is individual in poker.How do you think poker can ruin a person's life?
When a person loses mental stability and takes wrong actions, such as gambling on their rent, for example.How do you think poker can ruin a person's life?
I do agree with what was said above , pls take your breaks and exercise on a regular basis .It can ruin circulation in your feet/lower legs if you sit up and play in a regular chair for too long.
In serious cases, it can create venous insufficiency - and it can be hard to reverse the damage.
I played for over 24 hours sometimes without taking a break (other than going to the bathroom if necessary) during my time as a semi-professional player online 2003-2013.
Don't make the same mistake.
Take your brakes and move your body at least every 30 minutes.