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It is not to be confused with Sweet meat , Sweetbread , or Meat sweats. The machine that is supposed to get you the most fit; the one that burns the most calories; or the device that has least impact on your joints? Even if directors are given incentives to take strong action, the corporate board is not set up for this type of decision-making. Or vary those factors yourself during your workout. Consumers began turning to margarine due to concerns over the high levels of saturated fats found in butter.
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The most effective way to ensure a healthy cholesterol level is to modify your diet and, if need be, take cholesterol-lowering medications. But exercise has many advantages beyond lowering cholesterol. Exercise has been shown to keep bones strong, reduce the risk of cancer , diabetes , stroke , and obesity, and to improve mood.
The Exercise-Cholesterol Link Researchers aren't entirely sure how exercise lowers cholesterol , but they are beginning to have a clearer idea. Some exercise is better than none; more exercise is better than some.
How Much Will It Help? Continued Once you're cleared to begin working out, follow these guidelines: Choose a form of exercise you can do for minutes at a time, with at least moderate intensity, such as walking, biking, swimming , jogging, or using an exercise machine at low speed.
Know that while the intensity may be moderate, the "exercise volume," which means the amount of time you spend exercising, has to be pretty high. The American Heart Association recommends working up to 30 minutes of physical activity per day, or 60 minutes per day if you're also trying to lose weight.
Find an activity you love, whether it's walking your dog, playing tag with your kids, swimming laps at a pool, or bicycling through your community. Finding a buddy to exercise with can be helpful, too, both for moral support and to help make exercise more enjoyable.
Even better, find several activities you love, so you can vary your routine. This helps you exercise more than one set of muscles, as well as enjoying different work-out environments. So which one do you choose: The machine that is supposed to get you the most fit; the one that burns the most calories; or the device that has least impact on your joints?
These are all valid concerns -- but none of these is the most important question you should be asking yourself, says exercise physiologist Bryant A. Which machine do you really want to use?
So instead of choosing the treadmill for the calorie-burning factor, or the elliptical trainer your friend recommended, figure out which machine feels best to you, he suggests. Nashville exercise physiologist Kathy Alexander agrees: But how do you know which machine is likely to feel right to you?
Here's what you can expect from the most popular cardio machines out there, along with some tips on getting the most out of your workout. Here's the lowdown on what you can expect from some of the machines you're likely to find at your local gym. The treadmill burns the most calories of any of the cardiovascular machines available at most gyms, says Alexander.
You can expect to burn about calories per mile, walking briskly. Stamford notes that a treadmill can be adapted to many different fitness levels by increasing the speed from walking to running or by adjusting the incline. But even walking may be too much for someone who is overweight and has joint pain.
Every time your foot hits the ground, says Alexander, "the impact forces are 3. Since a treadmill is moving under you, the impact may be slightly less than that. One more thing to keep in mind: Treadmills can pose a real balance challenge for new exercisers or those who haven't worked out in a while, says Matthew Vukovich, exercise physiologist and associate professor at South Dakota State University. These machines pack a little less punch on the joints, and either can be a good alternative to the treadmill, says Vukovich.
Because you use them in a standing position, you're using lots of muscle mass, so the calorie burn rate is still pretty high. Elliptical machines with arm components can further increase the numbers of calories you burn, says Stamford.
All our experts agree that the stationary bike offers the workout with the least impact on the joints. Your liver produces enzymes in response to an injury or toxin. When these enzymes enter the bloodstream at higher than normal amounts, they are said to be elevated. Because the liver's functions effect every part of the body, inflammation in this organ may cause stomachache, nausea and vomiting. Your doctor can determine the cause of liver distress with the help of blood tests and a comprehensive health history.
Loss of appetite, nausea and vomiting, diarrhea and stomach pain could be the flu, but if your liver enzymes are elevated it could be a case of hepatitis A. The hepatitis A virus also typically causes jaundice.
It is spread by fecal-oral contamination, a result of poor bathroom hygiene or food contamination. The virus is shed in the stool of infected persons. Hepatitis A is a self-limiting disorder; you may need only rest and plenty of fluids to get over it. Infection with the hepatitis B or C viruses may cause chronic illness and damage to the liver that occurs over time.
The Illinois Department of Public Health reports that hepatitis C is spread by blood, putting health care workers, IV drug users and those who received blood transfusions prior to at highest risk. Hepatitis B can be prevented by vaccines.