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Tag: "relax" at biology news

Researchers show that veins stiffen as we age

...cerin pill under the tongue of each participant to relax the veins. In each case, they found that the tests had no effect on the response of the veins in either age group. "Thus, we think that the stiffening of our veins as we age is probably due to structural changes, such as a thickening of the vein wa...

Fast test for low blood flow in dogs detects early heart trouble

...is commonly used in stress testing, Lardo says, to relax blood vessels in the muscle, which enhances the contrast between normal and abnormal regions of the heart. After being injected, each of the dogs had a 64-CT scan of its heart and then underwent the standard test for blood flow with chemical bead...

Study of gene transfer for erectile dysfunction shows promise

...uction of particular proteins. These proteins help relax smooth muscle cells, the type of muscle found in the penis as well as in hollow organs such as the bladder. Relaxing the tissue allows the penis to fill with blood and become erect. Previous research has shown that more than 50 percent of men bet...

Toxic molecule may cause most common type of muscular dystrophy

... MMD within a few weeks, including an inability to relax muscles and heart rhythm abnormalities. When doxycycline was stopped, mice stopped producing toxic RNA and returned to normal, except in cases when the heart was severely damaged. So far, however, Mahadevan and other scientists can't explain exact...

Thinner and younger

...atched control subjects. Their hearts were able to relax between beats in a way similar to the hearts of younger people. The team from the Pennington Biomedical Research Center reports in the April 5 issue of the Journal of the American Medical Association on a six-month study of men and women between 25 ...

Center releases new public survey on stem cells

...ending in Congress would either extend this ban or relax it. A survey of 2,212 Americans conducted September 9-19, reveals a public opinion landscape that bears little resemblance to the polarized, deep moral divide expressed on the floor of the Congress and in the op-ed pages of American newspapers. Th...

Chemical 'band-aid' prevents heart failure in mice with muscular dystrophy

...ardiac myocytes in dystrophin-deficient mice don't relax and lengthen as readily as cardiac myocytes in nor...hat happens in the heart muscle when myocytes must relax and stretch to make room for incoming blood filling the heart," says Metzger, who is affiliated with...

Discovery Promises Simpler Therapy for Sickle Cell Disease

...h suggests that an inability of red blood cells to relax blood vessels through the release of nitric oxide is a major factor behind the disease's primary symptoms -- including oxygen deprivation and blocked vessels that can lead to pain, clots and stroke. Thus, therapies that restore nitric oxide to blood ...

Implanted Devices Detect High-Risk Heart Failure Patients

...n improve the strength of the heartbeat (digoxin), relax blood vessels (ACE inhibitors)or remove the excess buildup of fluid in the lungs (diuretics). Implantable devices are the latest options in preventing arrhythmias that can lead to sudden death, with CRT-Ds being the latest technology. CRT-Ds perform...

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