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Viagra (Sildenafil citrate), which millions of men take for erectile dysfunction (ED), reduces the effects of hormonal stress on the heart by half, according to a study published online in the journal Circulation. Viagra causes genital blood vessels to expand, which helps in maintaining an erection. Recent research also has pointed to its potential usefulness in treating pulmonary hypertension. Prior to the latest findings by a team of Johns Hopkins researchers, it was thought to have little effect on the heart. Viagra, or sildenafil, blunts the strengthened heart beat caused by chemically induced stress, according to study senior author and cardiologist David Kass, MD, a professor at the Johns Hopkins University School of Medicine and its Heart Institute. It thereby lessens both the excess amount of blood and the force used to pump it to the body. "Sildenafil effectively puts a 'brake' on chemical stimulation of the heart," says Kass. Prevents and Reverses Effects of High BP These findings are believed to be the first confirmation in humans that Viagra has a direct effect on the heart. In earlier research, Kass and his team observed a similar effect in mice; Sildenafil blocked the short-term effects of hormonal stress in the heart. Related studies by the group show that sildenafil also prevents and reverses the long-term effects of chronic high blood pressure on the heart. Sildenafil reversed the negative effects on heart muscle weakened by heart failure and enlargement -- a condition called hypertrophy -- in mouse experiments Kass and his team carried out earlier this year. They reported their results in the journal Nature Medicine. "But we had no firm evidence as to whether or how this therapy might work in the human heart," says Kass. "Our latest research provides firm evidence this drug does indeed have an important impact on the heart." Increased Heartbeat Was Slowed Thirty-five healthy men and women, with an average age of 30 and no previous signs of coronary artery disease, participated in the six-month Johns Hopkins study. Within a three-hour timeframe, each participant received two separate injections of dobutamine (5 micrograms per kilogram for five minutes), a synthetic, adrenaline-like chemical that increases heart rate and pumping strength. Between injections, study participants were assigned randomly to a group that was treated with sildenafil (100 milligrams taken orally) or to a group given a sugar pill placebo. All participants then were given the second dobutamine injection to see what effects sildenafil or placebo had on the heart. Measurements of heart function were made before and after each injection. These included blood pressure readings, electrocardiograms and echocardiograms. Blood samples confirmed relatively equal levels of sildenafil and other enzymes. Each dobutamine injection stimulated heart function, increasing heart rate and the force of each heartbeat used to pump blood throughout the body, results showed. "This stimulation is similar to the way the nervous system normally increases heart function when triggered by emotional or exercise stress, or in diseases such as heart failure," notes Kass. After the first injection of dobutamine, the force of heart contraction increased by 150 percent in both groups. In the placebo group, this increase repeated itself after the second injection. However, in the group treated with sildenafil, the increased heartbeat was slowed by 50 percent, resulting in a smaller increase in blood flow and blood pressure generated by the heart in response to chemical stimulation. Between injections, heart function was not altered in the sildenafil group, demonstrating the absence of adverse side effects on the resting human heart. Stops PDE5A Action "Knowing more about the effects of sildenafil on heart function will allow for safer evaluation of its use as a treatment for heart problems," says Kass. "Our results set the stage for further studies of sildenafil's immediate and long-term effects on the heart and its ability to modify other neurohormonal and stress stimuli, including adrenaline and hypertension," he adds. While the precise biological actions of sildenafil in the heart are not fully understood, the drug is known to work by stopping the action of an enzyme, called phosphodiesterase 5 (PDE5A), Kass explains. This enzyme is involved in the breakdown of a key molecule, cyclic GMP, which helps control stresses and limit overgrowth in the heart. PDE5A is also the biological pathway that sildenafil blocks in the penis to prevent the relaxation of blood vessels and thus maintain erections. Copyright 2005 Daily News Central penis enlargement surgery picture vimax herbal penis enlargement penis elargement surgery cost pnis girth enlargement enlarement manhattan penis surgeon pennis enlargement pills cheap penis enhancement pills pnis enlargement stretcher

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Aside from the benefic effects on the sex life, Viagra has also other positive effects. Saarland University researchers have discovered that Viagra may ease symptoms of a circulatory disorder called Raynaud's phenomenon. Viagra had reduced the frequency and duration of Raynaud's attacks, improved capillary blood flow and helped heal chronic toe and finger ulcerations. A new research has now revealed that Viagra can help the sufferers of a devastating pulmonary arterial hypertension. The condition, which affects about 100,000 people worldwide, causes tiny blood vessels in the lungs to thicken and narrow, often for no apparent reason. Viagra could protect mountaineers from the potentially lethal effect on the heart of high altitude and low oxygen levels. According to study findings presented at a meeting of the Sexual Medicine Society of North America, treatment with Viagra can improve urinary tract symptoms in men with erectile dysfunction and benign prostatic hyperplasia (BPH), a common disease in older men that involves urinary symptoms due to enlargement of the prostate gland. A report by researchers at Johns Hopkins University claims that Viagra appears to reduce the effects of hormonal stress on the heart by 50 percent. A team at University of Vermont College of Medicine concluded testing on rats, that no descendents died in the pregnancies where mother rats were received Viagra. These findings are exciting because they suggest that Viagra may have beneficial effects in hypertensive pregnancy and possibly, pre-eclampsia. best penis enlagement pills do penis enlargement pills really work home penile enlargment penile enlargment patch enhancement forum free matter penis size vimax penis enlargement before and after penis enlargment traction device free pennis enlargement top penis enhancement pills

The year 2004 was an exceptional one for the European Union (EU) with the historic enlargement to include ten new member states and the signature in Rome of the Treaty establishing for the first time an EU Constitution. That momentum continued into the first half of 2005, marked by the beginning of the ratification process for the European Constitution. The results of the various ratification processes of the proposed EU Constitution, either through parliament or via a referendum, have varied from one country to another. The European Union has to go through a European context that has proven to be both eventful and tense over the last few months. In line with the post French and Dutch referenda studies, European citizens appear today to be more critical in their analysis of the European Union, without however calling into question either their membership, or the European construction itself. Nevertheless, certain indicators from the recent Eurobarometer survey (fall 2005) reveal significant changes in views and highlight just how necessary it is to bring European citizens and European institutions closer together. Thus, the focus is now on how the European Union will reach successfully its citizens and under which conditions this attempt will be more effective. Under this notion, it is interesting to consider the unquestionable fact that the Internet is changing the world we live in. It is a change no less significant than the Industrial Revolution of the 18th and 19th centuries. Over the last two decades, information technologies and the Internet have been transforming the way companies do business, the way students learn, the way scientists carry out research and the way in which governments provide services to their citizens. In fact, ICTs have managed over the last decade to become the main message vehicles of the modern societies' communication systems. Corporations and governments, upon realizing their immense capabilities, are using contemporary ICTs to disseminate messages, address issues, and ultimately influence public opinion. Living today in the Information Age and as Internet users worldwide are increasing in numbers, organizations like the EU wish to influence the citizens' public opinion using the new digital medium's unique communications capabilities. But any kind of state will not achieve a strong, competitive economy simply by incorporating digital technologies into manufacturing or services. It also needs highly skilled workers to operate the new systems, and digitally literate consumers to buy the new goods and services. That means training and education for people of all ages. Thus, competitiveness depends on how much the state invests in its people. The EU member states will soon have to prove their proactive thinking and their policies effectiveness on the matter. penis enhancement device penis enlargement tool prosolution penis enargement pills home penis enlarement bottle vimax pills cheap pnis enlargement vimax penis enlargement video natural penis enhancement pills top penis enhancement pills

Don't feel well? Take a pill. A few pounds to lose? Take a pill. No energy? Take a pill. Depressed? Take a pill. Today's society is a pill society. Many studies have been done to show that if people are given a placebo (sugar pill) and told that it will increase their sexual performance; the majority will say that they noticed an increase in their sexual performance. It has proven that enhancing the libido, at least the most important part of it, comes from the mind. So now we wonder, how does food affect a person's sexual and emotional health? Soy can be used to suppress hot flashes that occur hot flashes, promote a healthy prostate, and help in vaginal lubrication. It adheres to estrogen receptors which maintain the lubrication that a vagina needs. This is a problem that also occurs during menopause. Chili peppers can improve your circulation and stimulate nerve endings. Ginger can do the same thing. Because this improves, so will your sexual pleasure. Since good blood flow is important for a good erection food that is good for your heart will also be good for your penis. If your heart is not operating properly there is a very good chance that your penis will not be responding as well as you would like it to either. Since saturated fat will clog the arteries, which in turn will restrict the blood flow, it stands to reason that it also restricts the blood flow that reaches your genital region as well. Yes, your body does require fat to create hormones, but it needs the right kind of fats. Good fat comes from olive oils, sea food, and nuts. These good fats will help in the production of hormones that are essential for sexual peak performance. Foods that are said to have aphrodisiac qualities are asparagus, bananas, eel, oysters, figs, and ginseng. Rhino horn is said to increase the sexual appetite. The taste, texture, or perhaps appearance of these foods are thought to increase the sex drive. There are some that believe if you eat foods that appear penis like it will make your penis strong and like the food that you ingest. The same applies to the oyster or the fig, which either smell or look like the woman's vulva when aroused. When a person eats these foods they are in the hopes that the vulva will then become plump, slippery, and tasty as well. Sweet or spicy foods are thought to put people in a relaxed mood and to appear ready to take on more pleasure. Now the question remains, do these food myths work? No, not the way that they are said to work. Foods cannot change the way that your sexual organs look. Food can be a great way to spice up your sex life though, so why not? Drinking alcohol will relax you emotionally and physically make you look flushed. For a short amount of time it will make you look flushed. Caffeine and sugar offer a quick boost of energy. These are short term effects but in reality what you should do is eat a healthy diet of fish and fresh vegetables to be at your best physically and sexually at all times. You can make food part of your sexual experience by cooking a mean with your lover and feeding it to each other. Have a picnic in the middle of the floor, place the foods all around you and let your imagination take over. 'The Karma Sutra' suggests boiling a ram's or goat's testicle in sweetened milk with sparrow's eggs and rice and honey for an aphrodisiac. truth about penis enargement pills vig rx oil free natural penis enlarement penis enlargement pic pnis enlargement tool free penile enlargment pills penis elargement excercises natural pnis enlargement technique top penis enhancement pills

Levitra is an oral prescription medication used in the treatment of erectile dysfunction or impotence in men. Levitra has emerged as a competitor to Viagra. Though the purpose of Viagra is the same as that of levitra, still levitra is considered as a better medicine. Levitra works by relaxing the muscles within the penis. This relaxation of muscles helps increase the blood flow and results in a natural erection of the penis. Despite the fact that both levitra and Viagra function in the same manner, the effect of levitra lasts longer than Viagra. It helps to achieve an erection easily and quickly and maintains it for a longer period of time. Unlike Viagra, levitra has fewer side-effects and is safe for everyone even those who have heart disease. The side-effects that Viagra can have during a sexual intercourse can be severe. It can cause-: • Breathlessness • Headache • Fainting • Swelling of face, lips or throat • Upset stomach • Painful penis erection • Diarrhea The side-effects other than those listed above can also occur. Levitra contains a more efficient enzyme inhibitor so only a small amount of the medicine is required. Therefore one pill of levitra is sufficient in a day. On the contrary Viagra is taken thrice a day. This shows that levitra is more effective than Viagra. Levitra does not contain the disconcerting problem of blurred vision that men often report with Viagra. Studies conducted earlier have proved that Viagra takes its effect in about 30 minutes. The effect does not last for more than four hours. Levitra on the other hand is faster in action and reaches maximum concentration within 30-40 minutes. Its effect lasts for about 16 hours. The success rate with Viagra has been estimated about 84%. This reflects that 4 out of 5 men are cured buy consuming this medicine. Whereas more number of people are being benefited by using levitra as its success rate has been counted upto 89%. Do not take levitra without the prescription of the physician. Your doctor will be able to tell you better regarding the consumption of the medicine after doing a physical examination of your body. Although levitra outshines Viagra still a few of its side-effects cannot be ignored. Immediate medical attention is required if you experience chest pain or a slight itching during sexual intercourse. Experience the miracle of advancement in pharmacy with levitra. The benefits of levitra make it stand one step ahead of Viagra.