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With an ex-Presidential candidate as its pitchman, more mentions on late-night talk shows than Joan Embry and the dubious honor of being the world’s top pharmaceutical treatment for impotence, few drugs in history have been more in the public eye more than Viagra – or gotten more attention for affecting the public's eyes. Along with its impact below the belt, Viagra (Sildenafil Citrate) is well-documented to cause retinal dysfunction lasting several hours after it is taken. Most commonly, it causes increased light sensitivity, blurring, and a bluish tint or haze to vision in many men who take the medication. Since receiving FDA approval in March 1998, Viagra has been prescribed more than 22 million times in the U.S. alone and is available in 90 other countries, according to manufacturer Pfizer. Here’s what you need know about Viagra and your vision: Who is most likely to get ocular side effects? Viagra is available in three prescribed doses – 25, 50 and 100 mg pills. Side effects are usually dose-related, meaning the greater the dosage, the greater the risk. According to reports by Pfizer and subsequent studies, ocular side effects occur in: About 3 percent of men taking doses of 25-50 mg About 11 percent taking 100 mg doses About 50 percent of men taking 200 mg Nearly all men taking 600 to 800 mg. Why does Viagra cause vision changes? Viagra is effective on erectile dysfunction because it inhibits phosphodiesterase 5 (PDE-5), an enzyme that enhances the effects of nitric oxide, which is released during sexual stimulation to relax the smooth muscle of the penis and facilitate blood inflow. However, the drug also has a milder inhibiting effect on PDE-6, an enzyme actively present in retinal photoreceptors. This causes an increase in the concentration of cyclicGMP, resulting in a depolarization of the rod cell – and increased light sensitivity and the infamous "blue vision." When do side effects occur? The side effects are short-lived and generally peak within 1-2 hours after the drug is taken. What is the long-term vision damage? Hard to say, since the drug has been on the market for only a few years. So far, no long-term retinal damage has been reported, but then again, long-term electroretinograms (ERG) have not been done, says Michael F. Marmor, MD, a Stanford retinal specialist who has published studies on the ophthalmic effects of Viagra. He believes the drug could conceivably result in lasting damage to photoreceptors, so he recommends that you avoid it if you have macular degeneration, diabetic retinopathy, retinitis pigmentosa or other retinal disease. (Meanwhile, Viagra's own label issues warnings to patients with existing AMD or retinitis pigmentosa because they were not studied in past clinical trials.) pennis enlargement supplement penis enlarement pills review cheap penis enargement penis enlagement stretcher enlagement penis pill vimax does penis enlarement work surgical penis enhancement vigrx results

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There are various types of birth control available to couples wanting to avoid pregnancy. Of all of these methods only condoms offer a high degree of protection against infection by HIV and other STDs (Sexually Transmitted Diseases) at the same time as providing highly effective prevention of unwanted pregnancy. But just how effective are condoms at preventing pregnancy, and what are some of the factors that have a bearing on their effectivenesss? Effectiveness of Condoms in Preventing Unintended or Unwanted Pregnancy When determining condom effectiveness, it is important to recognize that, as with all methods of contraception, the effectivness of condoms decreases when they are not used correctly. According to one large study, "In one year, only two of every 100 couples who use condoms consistently and correctly will experience an unintended pregnancy - two pregnancies arising from an estimated 8,300 acts of sexual intercourse, for a 0.02 percent per-condom pregnancy rate." Other studies that do not measure for incorrect use, but only for "regular use", indicate that the pregnancy rate may be as high as 15% of couples. But this number is skewed because it includes improper use. The main reason that condoms sometimes fail to prevent pregnancy is incorrect or inconsistent use, not the failure of the condom itself. These studies just ask women how often they have become pregnant when their partners use condoms. But the "failure rate" derived from these statistics includes cases of incorrect usage, tearing due to mishandling of the condom or rough sexual practices, or even where the couple did not use a condom every time they had sex. So it is worth repeating. When condoms are used consistently and correctly they have a very high prevention rate -- between 97% and 99%. But they must be used "consistently and correctly" in order to be this effective. Ways to Prevent Condom "Failure" Here is what you must do to insure you are getting the best protection possible from condoms: Use a condom every time you have sex. The condom must be applied as soon as erection occurs and before any sexual contact (vaginal, anal or oral). Be sure not to tear the condom with teeth or fingernails. Do not use oil-based lubricants such as petroleum jelly (vaseline), cold cream, hand lotion or baby oil, since it can weaken the latex. Withdraw from the partner immediately after ejaculation, holding the condom firmly to keep it from slipping off. Some other Condom Considerations When you buy condoms, read the label. Tests have shown that latex condoms are more likely to give you the added side benefit of preventing the passage of STDs. High quality condoms will be in a package that says the condoms are effective in preventing disease. If the package doesn't say anything about preventing disease, the condoms may not provide the protection you want, even though they may be the most expensive ones you can buy. Novelty condoms (flavored, textured, etc.) are intended primarily for sexual stimulation, not protection. Again, read the label. If it does not say anything about either disease prevention or pregnancy prevention on the package, then it will not be as effective a barrier against pregnancy and disease. For proper protection, a condom must unroll to cover the entire penis. Condoms which do not cover the entire penis will not give you maximum protection. This is another good reason to read the label carefully. Female condoms, while reasonably effective, are not quite as good as male condoms. Although using spermicide by itself (without a condom) is not a very effective way to prevent pregnancy, using condoms that have spermicide added increases their effectiveness. Condoms available from vending machines are not always of top quality. Look for brand names, and read the label carefully. Bright sunlight and heat can weaken the latex, so store them away from sunlight and in a cool place. Where should I buy condoms? If you are buying online, make sure the online store carries a broad range of name brand condoms, contains helpful information about condoms, and is reachable by phone so you can talk to a real person. The best advice is to buy from an established source that deals only in name brand products. free natural pnis enlargement permanent penis enlarement do penis enlargement pills work penis enargement picture penile enlargement doctor penis enlagement patch vimax medical penis enlargement com enlargment penile penile pump prosolution

Before we get into discussing Cialis and other erectile dysfunction medications. Lets discuss what erectile dysfunction (ED) is. When a man can't get an erection to have sex or can't keep an erection long enough to finish having sex, it's called erectile dysfunction. Complete erectile dysfunction is known as impotence. Erectile dysfunction can occur at any age, but is more common in men age 65 and order. There are many way to treat erectile dysfunction. These treatments include Oral medications (ie. Viagra (Sildenafil), Cialis (Tadalafil), and Levitra (Vardenafil). As well as injection therapy, muse intra-urethral therapy, hormone replacement therapy, surgical implants, vacuum pump, vascular surgery, and psychological counseling. One of the most popular treatments available is oral medication. The big three available for treating erectile dysfunction are Viagra (Sildenafil), Cialis (Tadalafil) and Levitra (Vardenafil). The first to be approved by the FDA was Viagra, in 1998. Levitra and Cialis soon followed and were approved in 2003. Since their inception, millions of prescriptions have been written for these (ED) medications. Viagra, Levitra, and Cialis are chemically known as phosphodiesterase Type 5 (PDE5) inhibitors. These three medications perform in a similar fashion. They do not cause an immediate erection, but they due allow an erection to occur when there is sexual stimulation. This erection occurs when the chemical inhibitors block the chemical in the penis that normally causes an erection to subside. This increases the amount of blood to the penis, which causes the penis to become erect and stay erect. Viagra has shown to be an effective treatment for ED, with approximately 70% of Viagra patients reporting a positive response. Although Levitra and Cialis have only been on the market since 2003, they are also showing success rates like those of Viagra. While these medications have many of the same characteristics, they also have differences. The variables are dosage, duration of effectiveness and possible side effects. For example, Viagra and Levitra both start working after about 30 minutes. With Viagra, the effects last for about 4 hours. On the other hand, the effects of Levitra last for around 5 hours. Cialis is supposed to be the fastest acting of the three, with effects taking place within 15 minutes and lasting for up to 36 hours. Individuals who test all three medications often come to different conclusions about which drug works better for them. At the present there has been no study comparing these three medications. And since Viagra, Cialis, and Levitra work in the same way, it’s very probable that if you have failed with one, you will most likely fail with the other. Although Viagra, Levitra and Cialis have been beneficial for many men, some men should not use these drugs, due to interactions with other drug prescriptions and other health conditions. Men who have suffered a heart attack, stroke, or life-threatening heart rhythm in the last six months should not use these medications. As these drugs can cause dangerous reactions with other drugs, they should not be taken with nitrate medications, alpha-blocking medications, or with the drug Amyl nitrate. There are also possible side effects when using Viagra, Levitra, or Cialis, including rash, headaches, facial flushing, nasal congestion, painful erection, chest pain, indigestion and visual disturbances. Before taking any medication, always consult your physician about possible side effects and any possible health and drug interactions. herbal penis enargement penis enlargement before and after herbal natural penis enhancement penis enargement doctor natural penis enlagement and lengthening vimax free exercise tip for penis enlargement pennis enlargement surgery picture vimax penis enlargement pic before and after prosolution

The term heart disease is a very broad term. Problems can arise within the heart muscle, arteries supplying blood to the heart muscle, or the valves within the heart that pump blood in the correct direction. Understanding the differences between each disease of the heart can help with the confusing applications of the term heart disease. Coronary artery disease or CAD is the most common type of heart disease and the leading cause of death in both genders in the U.S. Coronary artery disease affects the arteries supplying blood to the heart muscle. These coronary arteries harden and narrow due to the buildup of a waxy cholesterol, fatty substance referred to as plaque. This plaque buildup is known as atherosclerosis. The increase in plaque buildup causes the coronary arteries to become narrower. This will cause blood flow to become restricted, decreasing the amount of oxygen delivered to the heart muscle. Decreasing the amount of oxygen supplied to the heart muscle can cause angina (chest pain) and lead to a heart attack. Coronary artery disease over time can weaken the heart muscle contributing to heart failure and arrhythmias (abnormal heart rhythms). Coronary heart disease is another confusing type of heart disease. Coronary heart disease is not the same thing as coronary artery disease. While coronary artery disease refers to the coronary arteries, coronary heart disease refers to the diseases of the coronary arteries and resulting complications. This includes such complications such as chest pain, a heart attack, and the scar tissue caused by the heart attack. Understanding this subtle difference between the two may impress your cardiologist. Cardiomyopathy is a disease affecting the muscle of the heart. Cardiomyopathy can be genetic or caused by a viral infection. Cardiomyopathy can be classified as primary or secondary. Primary cardiomyopathy is attributed to a specific cause (hypertension, congenital heart defects, heart valve disease). Secondary cardiomyopathy is attributed to specific causes (diseases affecting other organs). There are three main types of cardiomyopathy. Dilated cardiomyopathy is enlargement and stretching of the cardiac muscle. Hypertrophic cardiomyopathy causes thickening of the heart muscle. Restrictive cardiomyopathy causes the ventricles of the heart to become excessively rigid causing blood flow to the ventricles to be difficult between heartbeats. Valvular heart disease is a disease that affects the valves of the heart. Valves within the heart keep the blood flowing in the correct direction. Damage to valves can be caused by a variety of conditions leading to regurgitation or insufficiency (leaking valve), prolapse (improper closing of the valve), or stenosis (narrowing of the valve). Valvular heart disease can be genetic. Valvular heart disease can also be caused by certain infections such as rheumatic fever, and certain medications or radiation treatments for cancer. The pericardium is a sac that encompasses the heart. Pericardial disease is inflammation (pericarditis), stiffness (constrictive pericarditis), or fluid accumulation (pericardial effusion) of the pericardium. Pericardial disease can be caused by many things such as occurring after a heart attack. Congenital heart disease is a form of heart disease that develops before birth. Congenital heart disease is an extremely broad term. However, these diseases usually affect the formation of the heart muscle, chambers, or valves. A few examples include coarctation or a narrowing of a section of the aorta; atrial or ventricular septal defect is referred to as holes in the heart. Congenital heart disease should be classified more accurately as an inborn defect that occurs in around 1% of births. Congenital heart disease may be inherited (heredity), or caused by certain infections such as German measles contracted while pregnant. However, researchers are currently studying factors that may cause congenital heart disease. Heart failure is another type of heart disease characterized by the heart’s inability to effectively pump enough blood to the body’s organs and tissues. When the body’s vital organs do not receive enough blood flow certain signs and symptoms can occur such as shortness of breath, fatigue, and fluid retention. Congestive heart failure is a type of heart failure that leads to fluid buildup in the body. It is important to note that not all heart failure is congestive. Heart failure may result from other cardiovascular diseases such as cardiomyopathy or coronary heart disease. Heart failure may come on suddenly or develop over many years. The month of February is the National Heart Disease awareness month. However, heart disease awareness should be each and every day. With staggering statistics, awareness begins with understanding the different types of heart disease. A diet and lifestyle that is conducive to heart health can mean the difference between life and being a statistic. Copyright 2006 Kristy Haugen vimax cheap penis enlargement pills natural penis enlargment pills permanent penis enhancement vimax penis enlargement pic before and after cheap pennis enlargement buy penis enargement pills penis enlargment testimonials penile enlargement information prosolution

A couple with no specific physical abnormalities, that do everything right to conceive for a reasonable length of time without a positive result, can be considered to have a fertility problem. Many couples affected by infertility spend months or years of treatment for fertility problems without a positive outcome. Natural herbal remedies have come a long way since their ancient origins, and are making new strides every day, with remedies to increase fertility and enhance functioning of the male and female reproductive systems. Herbal remedies use botanicals (plants) either singularly or in compounds, and sometimes animal by-products to prevent and correct targeted conditions. Many new natural herbal products have been compounded to remedy infertility for example for: Females to: *Promote regular ovulation *Correct hormone imbalances *Regulate menstrual cycles *Increase libido Males to: *Improve the functioning of the (prostate, seminal vesicles, testes, and penis) *Increase, testosterone levels, sperm production and, motility *Enhance sex drive, and strengthen erections Stress, poor nutrition, bad habits such as smoking, over use of alcohol, and drug abuse, emotional and psychological problems, a number of prescription medicines, can all adversely affect fertility, and may require some lifestyle changes. Natural remedies optimize reproductive health without adding to the risks of multiple births, and many other problems of other approaches to overcoming infertility problems. A natural herbal remedy could be the answer to your problem. The FDA does not regulate the manufacturing of herbs, common sense and a little research can help assure that you are buying a quality product. Check the name of the manufacturer or distributor, and the facts label for, amount, daily usage values, and active ingredients.