Here's a total red herring: there's actually no need to stress at all about this one. While you may have heard these white splotches are a sign that you're not getting enough calcium, that's not the case. "White spots are common and do not indicate any actual disease," says Ingleton. They'll likely go away on their own as your nails grow out and, if not, there's always bright polish.
Image via Imaxtree
Image via Imaxtree