In , US government statistics put the number of laboratory animals used in research at ,, an increase of 5. This includes both public and private institutions. These statistics do not include all animals as most mice, rats, and fish are not covered by the Animal Welfare Act — though they are still covered by other regulations that protect animal welfare. We also have not included the , animals which were kept in research facilities in but were not involved in any research studies.
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A healthy lifestyle includes good nutrition and adequate physical activity. If your body weight has not changed for several months, the calories you consume from food and the calories you burn from physical activity are balanced. If you need to gain or lose weight, consider changing your dietary pattern and physical activity level to achieve your goal. Counting calories all the time is not necessary, but in the beginning, it may help to determine how many calories are in the foods and drinks you consume regularly. See MyPlate Plan external icon to determine how many calories a day you need to maintain your current weight based on your age, sex, height, weight, and physical activity level.
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A peak flow meter is a small device that helps you check how well your asthma is controlled. Peak flow meters are most helpful if you have moderate to severe persistent asthma. Measuring your peak flow can tell you and your health care provider how well you blow air out of your lungs. If your airways are narrowed and blocked due to asthma, your peak flow values drop.