Oral herpes spreads through close contact, often in childhood, and even without visible sores. Learn how transmission happens and how to lower your risk.
Cold sores typically take 1–2 days to form after that first tingle. Learn what happens at each stage and how antiviral treatment can shorten the process.
Sodium phosphate is common in processed foods, but high intake may affect your bones, heart, and gut. Here's what the research says and how to cut back.