Can Medium Golden skin tones become pale from eating unhealthy diets, limited sun exposure, winter and problems with the body circulatory system?

Can Medium Golden skin tones become pale from eating unhealthy diets, limited sun exposure, winter and problems with the body circulatory system?
This guy has a medium complexion, but it looks medium white when not sticking to his healthy strict vegetable diet and everything I mentioned in the title (becomes paler the more he limits his sun exposure)

Alain Delon, Gal Gadot, the kardashian, my cousins jacob and curtis all have medium complexions. So they can change?
Can Medium Golden skin tones become pale from eating unhealthy diets, limited sun exposure, winter and problems with the body circulatory system?
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