1492 results found
Health topics
… Venous insufficiency is a problem with the flow of blood from the veins of the legs back to the heart. The … of the legs might not work as they should. This can allow blood to leak backward. It can lead to problems that include … the veins have become damaged. These valves normally keep blood flowing toward the heart. But damaged valves allow …
Health topics
… Overview Overview When you test your blood sugar, you learn your blood sugar level at that time. But you can't tell what's happening to your blood sugar the rest of the time—especially overnight. A …
Health topics
… . Diverticular bleeding causes a large amount of blood to appear in your stool. What causes it? The reason … against weak spots in the colon. Weak spots are where blood vessels pass through the muscle layer of the bowel wall to supply blood to the inner wall. Bleeding occurs when the blood …
Health topics
… Basics What is leukemia? Leukemia is cancer of the blood cells. It starts in the bone marrow, the soft tissue inside most bones. Bone marrow is where blood cells are made. White blood cells help your body fight infection. Red blood cells …
Health topics
… that may include too much fat around the waist , elevated blood pressure, high triglycerides , elevated blood sugar, and low HDL cholesterol . Together, this group … resistance, your body cannot use insulin properly, and your blood sugar will begin to rise. Over time, this can lead to …
Health topics
… Femoral-tibial bypass is a type of surgery. It redirects blood around blocked blood vessels in your lower leg or foot. It is often done if … Your doctor will use something called a graft to make the blood go around (bypass) the blocked part of your blood …
Health topics
… Raynaud's (say "ray-NOHZ") phenomenon occurs when the blood vessels in the hands and feet are extra sensitive and … In the cold, it's normal for the body to narrow the small blood vessels to the skin and to open the blood vessels to the inside parts of the body to keep the …
Health topics
… cases of recurrent miscarriage . This syndrome increases blood clotting. It can cause dangerous blood clots (thrombosis) and problems with blood flow. Sometimes the only sign of this syndrome is an …
Health topics
… they release a waste product called creatinine into the blood. The kidneys then filter creatinine from the blood. From the kidneys, creatinine passes out of the body … normally, high amounts of creatinine remain in the blood while low amounts are passed out in the urine. During …
Health topics
… activity. Children who use insulin are at risk for low blood sugar during and after exercise. Good planning means checking blood sugar before, during, and after exercise. Keep a record of how exercise affects your child's blood sugar level. Using your records, you can learn to …
