A cold or the flu is often a tiring, aggravating experience. But the next time you're suffering from one, remember this: allowing your body to rest while allowing the cold or flu to run its course is actually good for your long term health.

Conventional medicine and the pharmaceutical industry would like you to believe there is no "cure" for the common cold, that you should protect yourself from the flu with vaccines laden with toxic chemicals, and that it is favorable to ease symptoms with a variety of medications.

However, all three of these positions lack an understanding of what colds and flus really are, and what they mean for your body. (Read more about The Truth About Colds and Flus)

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High triglycerides in your bloodstream can be just as much a danger signal for the health of your heart as high cholesterol, according to the Harvard Heart Letter.

Trouble is, people's awareness of the threat of cholesterol, hyped in the media for years, is far greater than that of triglycerides, the most common form of fat in food and the blood. Researchers have determined that the triglyceride danger threshold is 200 milligrams per deciliter of blood. So if your level is above that, the best way to reduce it is to change your lifestyle in the following eight ways. (Read more about Eight Strategies to Reduce Triglycerides)

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Increasing exercise capacity reduces the risk of death in African-American and Caucasian men, according to research on the link between fitness and mortality, including over 15,000 participants. Reported in Circulation: Journal of the American Heart Association, the researchers investigated exercise capacity as an independent predictor of overall mortality for African-American men (6,749) and Caucasion men (8,911) in addition to analyzing whether racial differences in exercise capacity influenced the risk of death. Each participant was tested by a standardized treadmill test to assess exercise capacity. They were encouraged to exercise until they were fatigued or unless symptoms of cardiac ischemia developed. These individuals were then tracked for an average of 7.5 years. (Read more about Men's Death Rates Cut Drastically Through Daily Exercise)

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You probably know that changes in diet and exercise can effect improve you heart and decrease your risk of cancer. But a recent study published in Obstetrics and Gynecology found that women who followed a combination of five or more lifestyle factors, including changing specific aspects of their diets, experienced more than 80 percent less relative risk of infertility due to ovulatory disorders compared to women who engaged in none of the factors. Ovulatory problems have been indentified in between 18 to 30 percent of infertility cases. (Read more about Seven Steps to Increasing Your Fertility)

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New research by the Partnership for Prevention suggests that over 100,000 Americans lives could be spared each year by increasing five preventive steps. The report claims that there are serious shortcomings in disease prevention across the US, especially for ethnic minorities.

The greatest preventive impact would be 45,000 lives saved from more adults taking a daily low dose of aspirin to prevent heart disease. Smoking cessation would save 42,000 lives. Adults having regular annual cancer screenings would save 14,000 lives a year. For adults aged 50 of over, an annual flu shot would save 12,000 more lives. Additionally, nearly 4,000 lives would be saved by increasing the number of women aged 40 or over who have been screened for breast cancer in the past two years. The report also suggests that 30,000 cases of pelvic inflammatory disease could be prevented if sexually active young women were screened for chlamydial infection in the past year. (Read more about Five Measures for Preventing 100,000 American Deaths a Year)

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According to the American Academy of Allergy, Asthma and Immunology (AAAAI), waking up coughing or having a prolonged cough that lasts for weeks should receive serious medical attention. Alan Goldsobel of AAAAI explains, "Coughing protects the body by removing mucus and irritating particles from the respiratory tract. Coughing is a useful function that does not always mean there is a problem. However, coughing at night, after going to sleep indicates the need for medical attention." (Read more about Coughing May Be a Serious Sign)

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Dr. John Cahill explains that a number of tropical diseases, if left unrecognized or untreated, can have devastating outcomes. Unfortunately, he sees this on a daily basis. There are people who return from their travels with serious viral or parasitic infections. In good hands, it can be very easily treated, but without seeking the correct care or going to a physician who doesn't understand the implications of these diseases, they can be misdiagnosed or missed. (Read more about The Challenges of Overseas Medical Evacuations)

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Dr. John Cahill discusses about how traveling abroad has become very easy - it's relatively cheap, readily available, enjoyable, and a click away on the internet. But many people don't seem to realize there are health risks involved when traveling, particularly when traveling to the developing world or to the tropics. Travelers need to think about being vaccinated for diseases that might not occur in the United States. (Read more about The Dangers of Infections During Travel)

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Dr. John Cahill discusses some of the challenges we face with infectious diseases that are constantly emerging and changing. SARS is an example of a virus that until several years ago, we had never heard about. So the possibility of new viruses emerging is a very real threat. Another challenge we face is bacteria evolving and growing resistant to antibiotics. It's becoming a huge problem in the developed world where we take antibiotics for granted. Doctors are constantly prescribing antibiotics and patients routinely expect to receive them for any number of minor infections. This gross distribution of antibiotics has contributed to the formation of "superbugs" that are resistant to the antibiotics we typically use. The reality is that we don't have the technology or the resources to continue developing the drugs needed to fight off all these mutations and resistance strains that keep developing. (Read more about The Challenge of Emerging Infectious Diseases)

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The idea behind artificial sweeteners is simple: add the flavor of sugar without the calories of sugar. Sounds great, right? Well, a recent study now finds that eating artificial sweeteners could make people put on more weight when compared to normal sugar. Researchers conducted experiments on lab rats who were placed into two groups. One group was given yogurt sweetened with glucose, or the equivalent to table sugar. The other group was given yogurt sweetened with zero-calorie saccharin. The rats that had the saccharin-sweetened yogurt consumed more calories, put on more weight, gained more body fat, and did not cut back on their calorie consumption in the long term. (Read more about Artificial Sweeteners Could Contribute to Weight Gain)

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