About your heart2020-01-29T07:20:30+00:00

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Exercise and Heart Disease

Exercise reduces body weight, reduces the risk of getting diabetes, lowers blood pressure and keeps the arteries of the heart in tip-top condition. There are three important parts to exercise. This is duration (how long), intensity (how fast), and frequency (how often). Although all parts are important, the good news is that low intensity workouts can be beneficial if done for enough time and on a regular basis. The average 70 kg person burns about 110 calories whether he runs or walks a mile but it would take longer time to cover that distance by walking. The American College of Sport Medicine recommends burning a 1000 calories a week through exercise. Exercise does not [...]

High Blood Pressure

High blood pressure or hypertension is a common condition that increases the risk of various illnesses such as stroke, heart attacks and kidney damage. Blood pressure rises with age and even persons who have normal blood pressure at age 55 are estimated to have a 90% chance of developing hypertension in their lifetime. A common misconception is that high blood pressure results in symptoms such as headaches and giddiness. The majority of people who have high blood pressure in fact have no symptoms and are only discovered incidentally when their doctor measures their blood pressure. How High is High? There are two components to a blood pressure reading. The higher reading taken when the heart is pumping at [...]

Sudden Cardiac Death (SCD)

The heart is a vital organ that pumps blood around the body and provides the oxygen that all living tissue in the body requires. Once the heart stops its pumping, there is a sudden loss of oxygen and death of vital organs occurs within minutes. Although there may be subtle warning signs and symptoms before sudden cardiac death occurs, in the majority of victims, the onset of collapse is unexpected. It is estimated that in Singapore, about 4500 people a year may suffer from SCD. 90% of victims have underlying narrowing of the heart arteries. This occurs due to build up of cholesterol in the wall of arteries. This deposit and narrowing restricts blood supply to the muscle and [...]

Weight loss diets – Are they good for the heart?

Obesity is an increasing health problem in Singapore. According to the National Health Survey, obesity rates increased from 6.9% in 2004 to 10.8% in 2010. Correspondingly, the diabetes rate has gone up from 8.2% in 2004 to 11.3% in 2010. Obesity is a well-known risk factor for cardiovascular disease and for the development of type 2 diabetes mellitus and the metabolic syndrome. Therefore, there is an increasing interest in weight loss diets to combat obesity. Most of these weight reducing diets reduce the caloric intake of food and encourage people to consume more plant-based food instead of animal-based food. Currently, there is a greater interest in low carbohydrate diets to aid in the weight loss. The more popular approach [...]

SHAPE media query on late night snacking and heart disease

Research is currently inconclusive of timing of eating and the development of heart disease. The bottom line is a calorie is a calorie and it does not matter when you take it. However, most people take most of their calories at night, in the US, dinner accounts for 34% of total calorie intake. Also working late and stress may lead us to indulge in high fat and high calorie snacks at night which may then add to the calorie intake. Most of the studies done are in animals, shift workers or people with late night eating syndrome, which is not representative of most normal people. Research indicates that not following the natural rhythm of our bodies with regards to [...]

My Pounding Heart: Is it Anxiety or Atrial Fibrillation?

What are palpitations? Palpitation is a general description of an increased awareness of our own heart beat. We may feel that the heart is beating faster, beating stronger, beating in a skipped way or beating irregularly. Some patients even describe their heart beats as fluttering or as popping out of the chest. Are palpitations always abnormal? Palpitations are not always abnormal. Some patients may feel their heart beating fast or differently but upon monitoring the heart rhythm, no abnormalities are found. So this palpitations can be psychological. What are the causes of palpitations? Palpitations can have triggers. They can be triggered by anxiety or emotional stress. Stimulants such as coffee or tea or exercise can also bring [...]

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