Understanding Cardiology and Heart Disease: Cardiology is a field of medicine concerned with the diagnosis and treatment of diseases in the heart and blood vessels. Common cardiovascular conditions include coronary artery disease, heart attack, heart failure, and more.
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The effects of sleep apnea can leave sufferers tired even after a seemingly long night's sleep. Sleep apnea can also be deadly if undiagnosed or left untreated.
A sufferer of sleep apnea will experience episodes where they stop breathing when asleep. This cuts off the flow of oxygenated blood to the brain, with life threatening consequences in the long term.
Types of Sleep Apnea
The two main types of sleep apnea are as below, with obstructive sleep apnea (OSA) the most common one:
WEDNESDAY, April 2, 2014 (HealthDay News) -- College football players show signs of having stiffer blood vessels than their leaner peers who don't play football, according to new research.
TUESDAY, March 11, 2014 (HealthDay News) -- A knee or hip joint replacement may provide a surprising benefit: better heart health.
Sorin Popa/Thinkstock(WASHINGTON) -- The millions of Americans who take daily supplements may be doing nothing to cut their risk of cancer and heart disease, according to updated guidelines released Monday by the U.S. Preventive Services Task Force (USPSTF).
FRIDAY, Jan. 17, 2014 (HealthDay News) -- Older women who spend too much time sitting are more likely to die at an earlier age than highly active women, a large, long-term study says.
The risk factors for heart disease increases with age,but there are other variables to consider. Below are some of the common key risk factors of heart disease.
A Healthy Diet For a Strong Heart
A healthy diet has a tremendous affect on all aspects of your well-being, including your heart. In recent studies a Mediterranean diet was concluded to be the best diet to prevent heart disease. According to a study published on the New England Journal of Medicine’s website, a diet rich in fresh fruits and veggies, fish, olive oil, and even a glass of wine will drastically reduce your risks of getting heart disease and could also be a preventative measure.
When it comes to size, bigger isn’t always better, and a new study on testicles of all things shows what the consequences of an enlarged package just might be: a connection was found between large testicles and heart disease risk.
Researchers in Italy measured testicle size of more than 2,800 men who sought medical help for sexual dysfunction, and conducted follow up examinations with half of them for seven years. Surprisingly, they found an association between testicle size and risk factors associated with heart disease and heart attacks – namely smoking, heavy drinking, obesity, and high blood pressure.
The findings caught the research team off guard, as larger testicles usually predict a certain level of healthiness. Indeed, Guilia Rasterelli, the lead researcher on the project, conceded, “Although it is generally assumed that testis size can predict reproductive fitness, our results indicate that this objective parameter can provide insights also on overall health and [cardiovascular disease] risk."
The reason behind it all: hormones. Testicle size is controlled by the amount of testosterone present in the body, and testosterone production is regulated in turn by another hormone. This chemical is called luteinizing hormone, or LH for short, and may be responsible for causing problems with the cardiovascular system. However, elevated LH levels would not explain why these men are predisposed to lifestyle risk factors like smoking and drinking.
The jury is still out on the results of the study, and many experts find the results conflicting. Consider the following: testicles in a way are responsible for their own size. If testosterone production is down, the testes will begin to shrink. In order to stop from getting too small, the testes will release some chemical that will signal the release of LH, which will facilitate the production of testosterone, which will bring them back up to size. Physiologically, elevated levels of LH should be seen in men with smaller testicles, those that are desperately trying to up-regulate testosterone production so that they can return to a normal size.
“I think there isn’t a relationship that makes sense here,” said Dr. Andrew Kramer, a urologist at the University of Maryland Medical Center.
The researchers understand this apparent contradiction and admit that another factor, not considered in the study, may be responsible for both the high LH levels and the heart problems.
Finally, due to the unrepresentative population covered in the study – men who sought medical attention due to sexual dysfunction – additional studies must be conducted before results can be applied to the all men, at large.