From daily habits to nutrition and sleep, explore informational guides on living a healthier life — backed by research and written for real people.
Decongestants work by narrowing the blood vessels in your nasal passages. This reduces swelling and inflammation, which opens up your airways so you can breathe more easily. They target the swollen tissue inside your nose, not the mucus itself. Most decongestants are either pills you swallow or sprays you use directly in your nose. They … Read more
Testing for COVID-19 is not as simple as it was a few years ago. The timing of your test, the type you choose, and how you interpret the result all matter more than most people realize. The short answer: if you have symptoms, test right away with a rapid antigen test. If you were exposed … Read more
If you are learning American Sign Language, you need to know that the word “if” is not signed with your hands alone. To sign “if” correctly in ASL, you raise your eyebrows, tilt your head slightly to one side, and use a specific handshape. The handshape is an index finger pointing up, or sometimes a … Read more
Amphetamine salts are a specific mixture of four different amphetamine compounds used in prescription medications for attention deficit hyperactivity disorder (ADHD) and narcolepsy. The most common brand name for this mixture is Adderall. These salts combine equal parts of four amphetamine variants: dextroamphetamine saccharate, amphetamine aspartate, dextroamphetamine sulfate, and amphetamine sulfate. The goal of this … Read more
A white coating on your tongue is usually just a buildup of bacteria, dead cells, and debris on the tiny bumps called papillae. For most people, it is harmless and temporary. The most common cause is poor oral hygiene, but dehydration, dry mouth, smoking, and certain infections can also trigger it. The good news is … Read more
If you wake up feeling just as tired as when you went to bed, your sleep test machine might not be working right. The clearest sign is your AHI (Apnea-Hypopnea Index) number. A working machine should show an AHI below five events per hour. If your AHI stays over five or your sleep quality score … Read more
Low blood pressure, medically known as hypotension, happens when your blood pressure reading drops below 90/60 mmHg. For many people, this is harmless and they feel fine. For others, it causes dizziness, fainting, fatigue, or blurry vision. The causes range from simple dehydration and medications to underlying heart conditions or nervous system disorders. What Is … Read more
Rice is a staple food for more than half the world, so it is fair to ask whether it belongs in a weight loss diet. The simple answer is yes, rice can be part of a weight loss plan, but the type of rice and how much you eat matter a lot. White rice gets … Read more
Seeing sandy or grainy stool in the toilet bowl can be unsettling. You might wonder if something is wrong with your digestion or if you need to see a doctor. The short answer is that sandy stool, often described as fragmented or gritty, usually comes from undigested food particles, changes in your gut bacteria, or … Read more
You have probably heard that co-sleeping with a one-year-old can create sleep problems for everyone. The truth is more personal than that. Stopping co-sleeping at this age is about helping your child learn to fall asleep independently while you remain nearby and responsive. There is no single method that works for every family, but the … Read more