There are several reasons why we should be interested in the numbers reflecting the amount of cholesterol circulating in our bloodstream. However, to be able to interpret these numbers we have to know certain things about cholesterol as a chemical substance and its role health and disease. Interestingly, although cholesterol is an essential substance for … Read more
In 1953, British researchers discovered that drivers of London’s double-decker buses were more likely to suffer a deadly heart attack than the more physically active conductors (1). Another study published five years later found that the risk of heart attack was higher among government clerks than postmen (2). These studies laid the foundation for the hypothesis … Read more
The term angina pectoris or angina is used to describe chest pain or discomfort, often felt like pressure or a squeezing sensation in the chest. The pain may radiate to the shoulders, arms, neck, jaw or the back region between the shoulder blades. Angina is not a disease. It is a symptom, usually caused by inadequate … Read more
Cholesterol-lowering medications are being prescribed to almost 30% of US adults aged 40 and over, most of these are statins drugs (1). The number increases with age, and approximately 48% of adults older than 75 are receiving such treatment. It has been suggested that treating more older individuals with statins may prevent a substantial number of cardiovascular events, and that, … Read more
For decades, scientists have been trying to find out what causes heart disease. Although we have gained some knowledge along the way, many questions remain unanswered. Instead of providing clear answers, scientific research often raises a set of new issues that have to be addressed. The American physicist, Thomas S. Kuhn wrote that “to be scientific is among … Read more
Erectile dysfunction often referred to as impotence, is a common disorder that frequently coexists with cardiovascular disease. It is defined as the inability to get or keep an erection firm enough to have sexual intercourse. It is estimated that erectile dysfunction affects >30% of men between 40 and 70 years of age (1). Cardiovascular disease is a term that … Read more
One of the key reasons we do not want to get diabetes is that we will be more likely to be hit by heart disease or stroke or even Alzheimer’s disease for that matter. It’s scientifically proven. Having diabetes is associated with an increased risk of getting these disorders. But, does diabetes cause heart diseases or stroke? Hmm, … Read more
Since the 1970’s jogging has become an increasingly popular form of exercise. Jogging means running at a gentle pace. Going at a pace of less than 6 miles per hour (10 km per hour) is usually defined as jogging, while running is defined as anything faster than 6 miles per hour. There are many reasons why … Read more
The metabolic syndrome is a constellation of risk factors, most usually associated with increased body weight, fat accumulation around the abdominal organs often termed central, or visceral obesity (1), and increased resistance to the effects of insulin. Other names that have been used to describe the metabolic syndrome are syndrome X, the insulin resistance syndrome, the deadly quartet (2) and … Read more
Fish oil is one of the most commonly used dietary supplement. It has been recommended by some major societies and public health authorities for cardiovascular risk modification, to treat high blood triglycerides and as a treatment following acute myocardial infarction (heart attack). However, many questions remain unanswered. How does fish oil improve health? Is the evidence … Read more