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Facts. A calorie is a measure of heat energy. One pound of body fat is equal to 3500 calories. To lose one pound you must reduce calorie intake by 3500 calories. To burn up 500 calories you must jog for 45 minutes. 1 kilogram is 2.2 pounds. To change pounds to kilograms divide your weight in pounds by 2.2 1 in 3 adults is obese 1 in 5 children are overweight Over 70 million Americans need to lose weight. Americans eat 40% of their calories from fat. Other countries eat 10% to 15% of their calories from fat. One kilocalorie is the amount of heat needed to raise 1kg of water 1degree C. 100 calories is equivalent to the heat energy to bring 1 qt. of water to a boil. As you cut calories your metabolic rate decreases. Your hypothalamus regulates body temperature and appetite. 1 gram of fat = 9 calories. 1 gram of carbohydrate = 4 calories. 1 lb. = 454 grams It takes 15 calories to keep each pound of your body warm. Reduce your calories by 500 per day and you will lose 1 lb a week. One pint of sweat weighs one pound. Research shows that the composition of fat in your body is almost identical to the composition of the fat in your diet. A survey of Americans shows that about 56 percent exercise regularly, 39 percent watch their weight and 78 percent don't smoke. Surprisingly, only 18 percent do all three. The prevalence of obesity among adults varies from a low of 3% in Japan and Korea to a high of 32% in the United States. Taking overweight and obesity together, the rate for women exceeds that for men in only two countries-Mexico and Turkey. Exercise and diet reduces the size of abdominal fat cells. |
| What Is
Blood Pressure By Linda Tremer It is estimated that over 60 million Americans have high blood pressure. We’ve all heard that high blood pressure can kill you. Since there may not be any symptoms, it is often called the silent disease. But do you really know what high blood pressure is and why it’s bad for you? Let me explain the role of blood pressure in your body. Blood is pushed throughout the body by the pump we call the heart. The left side of the heart pumps blood rich with oxygen to the largest artery the aorta. From the aorta the blood travels through the arteries and throughout the body. The heart pumps about 10 pints of blood into the aorta in one minute. This is called cardiac output. Each beat of the heart pushes blood into the aorta. The blood pushes against the walls of the artery causing the pressure inside the artery to increase. The walls of the arteries are elastic. The artery walls must stretch much like a balloon to hold the blood being pumped into them. After beating to push the blood out, the heart relaxes before the next beat and the pressure in the arteries is reduced. The arteries must spring back to their original shape before the next pump of the heart. This springing back of the blood vessels also helps to push the blood throughout the body. We all know that blood pressure is measured in the main artery of the arm. The force exerted by the blood on the walls of this artery is called blood pressure. Blood pressure rises with each beat of the heart and falls between beats. The highest pressure is called the systolic blood pressure. This should be about 120 mm. Hg. The lowest pressure when the heart relaxes should be about 80 mm. Hg and is called the diastolic pressure. The diastolic pressure indicates the health of the arteries. The higher this reading the more resistance the heart will have to overcome with the next beat. Every one point drop in diastolic blood pressure results in a two percent drop for the risk of heart attacks. Many things can affect blood pressure. The elasticity of the walls of the blood vessels and the degree of narrowing of the blood vessels will affect the reading. The smaller the opening the more force necessary to push the blood. If your blood pressure is high, your heart must work harder to push the blood throughout your body. And your heart will enlarge due to overwork. High blood pressure causes more force against the walls of the blood vessels and if the walls are weakened an aneurysm may occur. Other dangers of high blood pressure are strokes, heart attacks, kidney failure and dementia. If you are overweight losing weight will often result in a lowering of your blood pressure. Start a weight loss program. Excess sugar in your diet can contribute to atherosclerosis-a build up of plaque on the artery walls. Stress can contribute to high blood pressure. More than one glass of alcohol can contribute to high blood pressure. Unfortunately, as we age our arteries become narrow and inelastic. Inelastic arteries cannot expand. We know this as hardening of the arteries. Because of this our blood pressure increases with age. And then high blood pressure makes the heart work harder since there is more resistance at each pump. Moderate exercise, biofeedback, losing weight, reducing stress and drastically cutting back on sugar in the diet can all help to lower high blood pressure. The good news is that you can take control now before it’s too late. HOME - The Center For Weight Loss and Healthy Living
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