It could result in some health hazard if not properly managed.
Exactly, if you don't play it well, you are likely to fail and will cause you problems that would derail your health.
This is one parts of the risk in trading, it's stressful and anyone can experience it, this is normal as we are risking money here and we all don't want to lose it.
There could be stress for the eyes, which could cause regular headache and affect your sleep. For those using laptop, it could restrict movement resulting in back ache and weight gain.
We need to balance our life by having some exercise as well, we cannot just sit everyday and trade without considering on maintaining our good help.
It could be hard to do but with discipline, things are possible.