Friday, August 24, 2007 

Pump Up Your Volume

According to the American Heart Association the key to a healthy heart is lifestyle. Many individuals think that dieting is the answer. It is not. Dieting is a short term solution for a long term problem. It is not dieting what you need to maintain a healthy heart but a healthy lifestyle. A healthy lifestyle includes: a healthy height/weight ratio, knowing your numbers for blood pressure and cholesterol levels,proper nutrition,exercise,10,000 steps a day,harmony between mind and body and stay on target with your health screenings.

The way to "Pump up your Volume" to a healthy heart and maintain it, is to Invest in Yourself everyday. You need to be committed to your short and long term health and financial security. You have control over seventy percent of your health and its outcome positively or negatively.

It is well documented that people can improve their blood pressure and cholesterol levels by eating balanced meals within their caloric requirements, maintain a healthy height/weight ratio, exercise, stress management and not smoking. It is so important to maintain this as you age. Research has shown that as you age your tendency to develop heart disease and high blood pressure also increases.

You have to take personal responsibility today to ensure your heart and all aspects of your health are as strong as they can be. Your personal lifestyle choices will impact You, Your Health and Your Wealth in either a positive or negative way.

The health care costs for one heart attack claim is approximately $93,000. Some insurances will pick up a portion depending on your plan but you may be left after paying a deductible and perhaps another ten percent, with quite a hefty bill. Inevitably would create more chest pain and lost time form work an possible income.

You are the only one who is responsible for your health. The life choices that you make every day will either bring you closer to better health or farther away. You need to Invest in Yourself every day to be able to reap the rewards for You, Your Health and Your Wealth.

"Pump up the volume" for Heart and your overall health. Invest in Yourself and live by the eight lifestyle strategies and "pump up your health" for the rest of your life.

The cost of medical care in retirement is projected to be over $250,000 in additional to healthcare insurance if you have it. The cost of long term care is astronomical. The rates for 2006 in a metropolitan area is approximately $8,000-$9,000 a month. You need to start today To Invest In Yourself everyday for the rest of your life to secure your health and financial future.

Change starts with you. Take the personal responsibility to enhance and maintain You, Your Health and Your Wealth today and for the rest of your life. "Pump up your volume."

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Viagra is Good for the Heart

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

Rita Jenkins is a health journalist for Daily News Central, an online publication that delivers breaking news and reliable health information to consumers, healthcare providers and industry professionals: http://www.dailynewscentral.com

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