Is there any reason that people get white hair besides genetics and chemically changing their color?

Some say stress and other trauma can lead to the pigmentation mechanism that leads to gray hair. Whether this is true or not is debatable.

Is there any reason that people get white hair besides genetics and chemically changing their color?

Just getting older!

Is there any reason that people get white hair besides genetics and chemically changing their color?

Heart problems can mainfest themselves in premature white hair growth.

Is there any reason that people get white hair besides genetics and chemically changing their color?

When I was 15, I got drunk for the first time and ended up in the hospital with a .35 blood alcohol. A few days later I noticed that I had dozens of white hairs in my arm pits... some how from the alcohol poisoning they got shocked white!

Is there any reason that people get white hair besides genetics and chemically changing their color?

Excessive stress hormones (coritsol) can lead to some severe nervous disorders including hair pigmentation failure which causes it to go white.