You may already know that reducing your stress levels can lower your chance of developing grey hairs.But according to Dr Ahmed, a UK-based GP, prematurely silver strands might be linked to not having enough of a certain mineral too. “Are you always anaemic and don’t know why, or have early grey hairs?” he asked. If that’s the case, he explains, you may need to get your copper levels checked.Why would copper affect my hair?Per the doctor, “copper is essential ― it’s important for energy, metabolism, helps with collagen production, and... also helps with iron