Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. A new skincare hack has popped up on TikTok—using ...

Iodine: an element found abundantly in the ocean and not in the earth’s soil/crust It is necessary for maintaining a healthy thyroid. Thyroxine is the chemical that iodine binds to in the body ...

DEAR DOCTOR K: I cook with kosher salt, which doesn’t contain iodine. Am I getting enough iodine in my diet? Can I get iodine from other foods? DEAR READER: Before I answer your question ...

DEAR DR. ROACH: I notice that the specialty salts I now buy, such as Himalayan or sea salt, are not iodized. Should I be concerned about getting enough iodine in my diet? -- P.M. ANSWER ...