Cardiac arrest in a young adult is usually caused by a problem with the heart’s electrical system or structure, not by a blocked artery. In people under 35, the most common cause is an inherited heart rhythm disorder called long QT syndrome. In people 35 and older, coronary artery disease becomes the leading cause. Cardiac … Read more
Your body clock runs on timing cues, not willpower. To reset your sleep schedule, you shift your wake-up time first, get bright light in your eyes soon after waking, keep that new wake time every day including weekends, and let your bedtime drift earlier on its own as sleep pressure builds. The reset takes roughly … Read more
A nonessential nutrient is a substance the body can make on its own, so you do not need to get it from food to stay healthy. Your cells synthesize these compounds from other materials already in the body. The label describes where a nutrient comes from, not how important it is to your health. That … Read more
Strong hips keep you walking, climbing stairs, and getting out of a chair without help. Building hip strength comes down to three things: loading the muscles through their full range of motion, hitting the hips from more than one direction, and repeating that work two to three times a week. A good weekly plan mixes … Read more
Period cramps happen because the uterus contracts to shed its lining, and those contractions can feel like a tight, aching squeeze in the lower belly. The most reliable ways to ease that pain are heat, anti-inflammatory pain relievers like ibuprofen, gentle movement, and enough rest. None of these stop a period, but they can make … Read more
Stress and anxiety are not the same thing, but they respond to many of the same tools. Stress is usually a response to an external pressure — a deadline, a conflict, a bill. Anxiety is more often internal: persistent worry that continues even when the trigger is gone. Managing both starts with the same practical … Read more
Losing weight without trying can feel like a welcome surprise at first. But when the pounds come off quickly and you weren’t trying to lose them, it’s a signal worth paying attention to. Drastic weight loss is most often caused by an underlying medical condition, a medication side effect, a mental health issue, or a … Read more
A back tooth ache is usually caused by something happening inside the tooth itself or in the tissue around it. The most common reasons are deep decay, inflammation of the pulp (the nerve-filled center of the tooth), a cracked tooth, or pressure and inflammation around a wisdom tooth. Back teeth hurt more often than front … Read more
Nails that curve or bend as they grow are usually shaped by what happens at the base of the nail, where new cells form. You cannot change the direction a nail grows by trimming or filing it. To get straighter growth, you have to protect the nail matrix — the tissue under the cuticle that … Read more
Scabies is diagnosed by a doctor examining your skin and, when possible, confirming the mite under a microscope. There is no blood test and no reliable home test for scabies. A scraping of skin or a tiny sample of the rash can show the mite, its eggs, or its feces, but a negative result does … Read more