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Tag: "mechanism" at medical news

Amphetamines Help Recovery of Stroke Patients

...rn faster and better on the drug.However the exact mechanism of why amphetamines are effective in stroke patients in unknown....

IMA wants members not to do sex determination tests during pregnancy

...ch other and a continuous monitoring and reporting mechanism should be evolved. Dr. Ketan Desai, IMA national president, said an awareness drive should be launched to prevent female foeticide and infanticide. Mr. L. K. Tripathy, Health Secretary, pointed to three indicators in the census 2001 and said the si...

Depression and heart failure

... approaches like therapy would be useful.Thus, the mechanism by which depression worsens heart failure still has to be established....

Reversing heart failure

...group, the heart muscle had a stronger contracting mechanism than in the second - suggesting that the LVAD was actually reversing the heart failure. More studies are needed - but this discovery raises the intriguing possibility that the LVAD can actually be a cure for heart failure than a support device....

Iron supplements proves helpful in dry cough .

... a beneficial effect in most of these subjects.The mechanism of ACE inhibitor-induced dry cough is unclear, but it is thought to be associated with the increase in nitric oxide (NO) generation caused by ACE inhibitors. NO is known to have inflammatory effects on bronchial epithelial cells. Dr. Hong and collea...

Early puberty linked to nutrition

...aries. In the adipose tissue a complex biochemical mechanism takes place through which the androgens become in estrone and estradiol. This way obesity and estrogens constitute an explosive couple able to trigger dangerous pathologic mechanisms. The leptine is the hormone of the obesity secreted by the adipos...

Hepatitis G May Boost HIV Survival

...uggest. "We are working to try to understand the mechanism of the HIV inhibition'' apparently caused by hepatitis G, Dr. Jack T. Stapleton, of the University of Iowa and the Iowa City Veterans Affairs Medical Center. "If we can determine how (hepatitis G) infection diminishes HIV growth, we will have both po...

New gene for hairloss

...s gene's function will help scientists figure that mechanism out. Previous work has shown that people who inherit a malfunctioning version of hairless can get an extreme form of a condition called alopecia universalis, in which eyebrows, eyelashes and body hair fail to develop. Babies are born with scalp hair,...

For healthy lungs

...ay inhibit lung cancer development." The precise mechanism by which this may occur is still to be unravelled, but scientists believe that antioxidants work by attaching themselves to, and rendering harmless, particles called "free radicals". These circulate in the body and are thought to cause cell damage ...

Avoid stress to have strong babies

... decrease blood flow," she said. "Another possible mechanism is that anxiety may have a chemical effect on the development of the blood vessels earlier on in pregnancy." She added that it was not known when stress would have a worse effect on a foetus' development. The study looked at foetuses in the late st...

Spreading its wings

...ra Gupta, president, APCDA, felt that the proposed mechanism would prepare the druggists to face any surprise inspections from the regulatory authorities. The sale of drugs whose expiry dates are over can be minimised as the computer will be programmed not to accept such drugs, he said. This association had ...

Miscarriage linked to late embryos

...ker and that rejection of them may be a protective mechanism designed to spare the mother the physiologic burden of supporting non-viable offspring. The new studies, which monitored the hormones in daily urine samples of healthy women trying to conceive, showed the day by day trend for the first time in a lar...

Allergies are related to mothers' menses

...t of such an association. "However, the biological mechanism underlying this finding is not clear. "It is possible that differences in the maternal oestrogen environment, represented by varying age at menarche, could programme the immune system of the fetus." Although there is a suspicion that hormone levels...

The alarm clock in you

...ep patterns. Professor Jan Born: It is a conscious mechanism to anticipate waking up According to// Professor Jan Born, one of the researchers, a surge of hormones is our body's way of saying "wake up!" - but only when we are expecting to wake up. The researchers measured the levels of two stress hormones - ...

Garlic fights malaria and cancer

...y not only an effective treatment for malaria, the mechanism by which they inhibit the infection appears to be similar to the mechanism they use to fight cancer cells.Researcher from the University of Toronto report these findings at t...

Allergy Risk Increased by Kerosene Use

...ng, and other allergy symptoms. Although the exact mechanism is unclear, researchers speculate that the fuels may somehow irritate the nasal lining and set the stage for an inflammatory or allergic response. // The researchers studied the effects of kerosene, gasoline, and electricity on about 960 people. Th...

Warm yourself to sleep

...d vessels, which in turn switches the body's sleep mechanism on. If the extremities are cold, inhibiting the free flow of blood, the sleep hormones fail to kick in and restless insomnia prevails.The scientists speculate that some sleep disorders associated with old age and illness may be caused by poor circu...

Asthmatics at increased risk of lung cancer

...uch causes the increased risk. “There could be one mechanism causing both asthma and cancer, for example chronic inflammation leading to an excess of free radicals.” Dr Paola also said there could be external environmental factors that play a role in the activation and progression of both asthma and lung can...

Control of inflammation

...id arthritis. Little is known about the body,s own mechanism for controlling inflammation and the tissue damage that accompanies it. According to Dr.Sitkovsky, there must be some way for the body to shout. The signal must be sensed and responded to so that inflammatory activity abates. Adenosine and its membra...

Drug Offers Hope for Alzheimer's disease

...nistration. Memantine works through a different mechanism than other, currently approved Alzheimer's drugs, such as Aricept, that have been shown to affect progression of early stage disease. The final devastating period, where Memantine may help, can also be the disease's most long lasting. But researche...

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