A phobia is a fear that has stopped responding to reason. You know the spider is small. You know the plane is safe. And yet your body reacts as if your life is in danger. Getting over a phobia is possible, and the strongest evidence supports a specific approach: gradual, repeated exposure to the feared … Read more
Gas is a normal product of digestion, and most people pass it many times a day without noticing. When gas becomes frequent, painful, or embarrassing, people often look for a pill to fix it — and digestive enzyme supplements are frequently marketed for exactly that. The research on whether they actually help is narrower than … Read more
Yes. Females can donate bone marrow, and they do so every day. Sex is not a barrier to donation. What does differ between females and males is how often they are asked, how they are matched to patients, and a few practical and safety details that are worth understanding before you consider it. Bone marrow … Read more
Ovarian fibrosis is the buildup of scar-like fibrous tissue inside the ovary, and it is not a disease in itself. It is the result of tissue injury and the body’s repair response. When cells in the ovary are damaged, the repair process can leave behind excess collagen — the same structural protein found in scars … Read more
A pulled muscle usually heals on its own, and the basics of home care have not changed in decades: protect the area, reduce swelling in the first day or two, then gradually return to normal movement. Most minor strains improve within one to two weeks. The single most common mistake is doing too much too … Read more
Yes, iron deficiency can cause anxiety and depression. Iron is needed to make the brain chemicals that regulate mood, and low iron can also reduce oxygen delivery to the brain. Both effects can produce symptoms that look like anxiety or depression. That link is well established. What is less clear is how often iron deficiency … Read more
Most people should get their first colonoscopy at age 45. That is the current recommendation from the U.S. Preventive Services Task Force and several major medical organizations, including the American Cancer Society. Adults at higher risk because of family history, inherited conditions, or inflammatory bowel disease often need to start earlier, sometimes in their 30s … Read more
Male libido is driven mostly by physiology you can influence and partly by factors you cannot. Testosterone, sleep, cardiovascular health, mental health, and relationship context all play real roles. The things that actually work are unglamorous: treating underlying disease, fixing sleep, moving your body, addressing depression or anxiety, and cutting back on alcohol. Most supplements … Read more
A twitching scalp or a sudden jerk of the head is usually harmless. Most head twitching comes from small, brief muscle contractions in the scalp, neck, or face, or from a myoclonic jerk — a quick, involuntary muscle jump that many healthy people get. The key question is not whether it happens, but what kind … Read more
Shin splints are one of the most common overuse injuries in runners, dancers, and military recruits. The pain along the front or inner edge of the lower leg happens when the muscles, tendons, and bone tissue around your shin are asked to do more than they are conditioned to handle. The problem is rarely a … Read more