Nitric oxide isn't a greenhouse gas, but it still affects climate. Here's what it actually does in the atmosphere and why it's often confused with nitrous oxide.
Phosphorus is in more foods than you might think. Learn where it naturally occurs, how additives affect your intake, and why it matters for your health.
Sickle cell anemia affects millions worldwide but far fewer in the US. Here's what the numbers look like and why the disease clusters in certain populations.
Diagnosing hypothyroidism involves more than a TSH test. Learn which thyroid tests matter, what can skew your results, and when extra testing is warranted.
Small measurement mistakes can throw off your BMI. Here's how to measure your height and weight accurately at home and what to do when BMI isn't enough.
Polymyalgia rheumatica has a genetic component, but inheriting certain genes doesn't mean you'll develop it. Here's what the research says about family risk.
Chew sticks have been used for oral hygiene for centuries. Learn how they work, which plants are used, and how they stack up against modern toothbrushes.
Practical, evidence-based steps you can take to slow CKD progression, from managing blood pressure and blood sugar to diet changes and medication choices.