It's usually hair care practices (skimping on conditioner, ODing on hot tools) or environmental factors (hello, winter weather) that are to blame for dry strands. But if you've ruled out both of those and your locks are still lacking in moisture, it may be something deeper. Dry hair can also be a sign of hypothyroidism, says Shah, a condition in which your thyroid doesn't produce enough hormones. It's easily tested for and treated, so this is a symptom worth bringing up to your doctor.
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White Spots on Your Nails
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.
