Jan 11, 2024 · What causes narrow stools? Should I be concerned? Narrow stools that happen now and then probably are harmless. But in some cases, narrow stools — especially if pencil thin — may be a …

Apr 16, 2024 · Valvuloplasty A valvuloplasty is a treatment to repair a heart valve that has a narrowed opening. Narrowing of a heart valve is called valve stenosis. Four heart valves — the aortic, mitral, …

Jun 27, 2024 · The most common cause of spinal stenosis is wear-and-tear damage in the spine related to arthritis. People who have serious spinal stenosis may need surgery. Surgery can create more …

Atherosclerosis is a specific type of arteriosclerosis. Atherosclerosis is the buildup of fats, cholesterol and other substances in and on the artery walls. This buildup is called plaque. The plaque can cause …

Nov 5, 2024 · Regular eye exams may catch glaucoma early and save your eyesight. Find out about symptoms and treatment for this vision-stealing eye condition.

Jan 11, 2024 · 大便偶尔变细可能无害。但在某些情况下，大便变细、尤其是像铅笔那样细，可能是结肠狭窄或梗阻的体征。这可能是由于结肠癌引起。 肠易激综合征（IBS）也可能引起大便体积变化 …

Jul 12, 2025 · Renal artery stenosis is when one or more arteries that carry blood to the kidneys narrow. These are called the renal arteries. Having narrowed renal arteries means the kidneys don't get …

Dec 23, 2025 · Causes Scar tissue, which can narrow the urethra, can be due to: A medical procedure that involves putting a tool, such as an endoscope, into the urethra. A tube that's put into the urethra …

Jul 31, 2024 · Growing tumors steadily narrow the esophagus. Foreign bodies. Sometimes food or another object can partially block the throat or esophagus. Older adults with dentures and people …

Apr 15, 2025 · Trauma to the nose most commonly occurs during contact sports, rough play such as wrestling or automobile accidents. Aging can affect nasal structures. So a deviated septum can get …