More than 60% of Americans have some grey hair by the age of 40. Grey hair is oftentimes associated as an onset of old age, and the age at which a person gets their first grey hair is largely determined by genetics rather than environmental factors. However, environmental factors such as smoking or poor nutrition can lead to a faster rate of graying in an individual.
![Going Gray [Infographic]](https://s-media-cache-ak0.pinimg.com/originals/1a/ed/3f/1aed3ffc4767a84c87abe39d97d7703d.jpg "Going Gray [Infographic]")
Infographic by: getawaygrey.com
