Impulse control is the brain’s ability to pause between a urge and an action. When that pause is short or missing, it is not a character flaw. It comes down to how specific brain circuits, brain chemicals, sleep, stress, and environment interact. The prefrontal cortex — the front part of the brain behind your forehead … Read more
Most swollen ankles get better with three things you can do at home: elevate the leg above heart level, apply cold packs for short periods, and keep the ankle gently moving as pain allows. If the swelling came on suddenly after an injury, rest and protect the joint first. If it appeared gradually without injury, … Read more
Rudolf Virchow was a 19th-century German physician and scientist who is called the father of modern pathology because he was the first to argue, systematically and with evidence, that disease arises from changes in individual cells rather than from the body as a whole. His idea, published in the mid-1800s, that every cell comes from … Read more
Yes, you can get an ultrasound during your period. Having your period does not stop you from having an ultrasound, and in some cases the bleeding is exactly why the scan is being done. Technologists and doctors are used to it, and menstrual blood does not interfere with the sound waves the machine uses to … Read more
You’re in a meeting, a movie, or a quiet moment, and you look down to find your fingers at your mouth again. Nail biting is not simply a nervous habit you can decide to stop. It is a repetitive behavior with several possible drivers, and anxiety is only one of them. Genetics, age, boredom, frustration, … Read more
Yes, rosacea can be itchy. Itching is not the symptom most people associate with rosacea, but it is a real and often frustrating part of the condition for many people who have it. The itch tends to show up alongside redness, flushing, and the stinging or burning that are the hallmarks of rosacea. That said, … Read more
Yes, ovulation can be painful. The medical term is mittelschmerz — German for “middle pain” — and it’s a real, recognized phenomenon that some women feel as a mild twinge and others as a sharper ache on one side of the lower belly. It’s usually harmless and brief. But pain around mid-cycle can also come … Read more
Permanent hair dye does not color your hair forever. It permanently changes the structure of the hair shaft by lifting the outer cuticle and depositing pigment inside it. That change is lasting, but the color itself fades over time and disappears completely as the dyed hair grows out and is cut off. The word “permanent” … Read more
Blood thinners do not directly change who a person is. There is no established mechanism by which anticoagulant drugs alter personality, and no clinical guideline lists personality change as a direct drug effect. But blood thinners can cause bleeding in the brain, and bleeding in the brain can quietly change mood, judgment, and behavior. That … Read more
The pancreas can stop working properly for two very different reasons: something blocks or damages the flow of its digestive juices, or something destroys the insulin-producing cells inside it. Acute pancreatitis, chronic pancreatitis, gallstones, heavy alcohol use, and severe metabolic stress are the main triggers for the first. Type 1 diabetes and advanced type 2 … Read more