bright yellow skin
bright yellow skin
Flushing
Abnormally slow breathing is a symptom of oxygen toxicity
Betacarotene has many other names - the one most recognised is orange 5 in food.
Flushing, vasodilation, and itching are the primary indicators.
Oxygen toxicity can cause seizures and spasms. That implies to me that flickering eyes may be a symptom of O2 toxicity, but not a common or likely one. While possible, I'd personally look elsewhere for the cause.
They lack the basic [betacarotene] pigment.
One symptom of anxiety would be having heart palpitations.
Betacarotene
Erection
Excess play in the steering wheel is one symptom.
The term mineral toxicity means a condition where the concentration in the body of any one of the minerals is abnormally high, and where there is an adverse effect on health.