Excess weight alters results of blood tests in kids and teens – Science News for Students


Posted: February 15, 2020 at 2:49 am

body mass index: (BMI) A persons weight in kilograms divided by the square of his or her height in meters. BMI can be used to evaluate if someone is overweight or obese. However, because BMI does not account for how much muscle or fat a person has, it is not an accurate measure.

cancer: Any of more than 100 different diseases, each characterized by the rapid, uncontrolled growth of abnormal cells. The development and growth of cancers, also known as malignancies, can lead to tumors, pain and death.

cholesterol: A fatty material in animals that forms a part of cell walls. In vertebrate animals, it travels through the blood in little vessels known as lipoproteins. Excessive levels in the blood can signal risks to blood vessels and heart.

chronic: A condition, such as an illness (or its symptoms, including pain), that lasts for a long time.

clinical: (in medicine) A term that refers to diagnoses, treatments or experiments involving people.

colleague: Someone who works with another; a co-worker or team member.

develop: To emerge or come into being, either naturally or through human intervention, such as by manufacturing.

diabetes: A disease where the body either makes too little of the hormone insulin (known as type 1 disease) or ignores the presence of too much insulin when it is present (known as type 2 diabetes).

diet: The foods and liquids ingested by an animal to provide the nutrition it needs to grow and maintain health. (verb) To adopt a specific food-intake plan for the purpose of controlling body weight.

endocrinology: A medicalspecialtythat studies and treatsconditions affecting the production of hormones or the bodys response to hormones. Doctors who work in this field are known as endocrinologists.

ethnicity: (adj. ethnic) The background of an individual based on cultural practices that tend to be associated with religion, country (or region) of origin, politics or some mix of these.

inflammation: (adj. inflammatory) The bodys response to cellular injury and obesity; it often involves swelling, redness, heat and pain. It also is an underlying feature responsible for the development and aggravation of many diseases, especially heart disease and diabetes.

intervention: Deliberate action taken to bring about some anticipated outcome. (in medicine) A planned effort to prevent or treat a disease or other condition relating to health or well-being.

journal: (in science) A publication in which scientists share their research findings with experts (and sometimes even the public). Some journals publish papers from all fields of science, technology, engineering and math, while others are specific to a single subject.

lipid: A type of fat.

liver: An organ of the body of animals with backbones that performs a number of important functions. It can store fat and sugar as energy, break down harmful substances for excretion by the body, and secrete bile, a greenish fluid released into the gut, where it helps digest fats and neutralize acids.

metabolism: (adj. metabolic)The set of life-sustaining chemical reactions that take place inside cells and bigger structures, such as organs. These reactions enable organisms to grow, reproduce, move and otherwise respond to their environments.

obesity: (adj. obese) Extreme overweight. Obesity is associated with a wide range of health problems, including type 2 diabetes and high blood pressure.

overweight: A medical condition where the body has accumulated too much body fat. People are not considered overweight if they weigh more than is normal for their age and height, but that extra weight comes from bone or muscle.

physical: (adj.) A term for things that exist in the real world, as opposed to in memories or the imagination. It can also refer to properties of materials that are due to their size and non-chemical interactions (such as when one block slams with force into another).

range: The full extent or distribution of something. For instance, a plant or animals range is the area over which it naturally exists. (in math or for measurements) The extent to which variation in values is possible. Also, the distance within which something can be reached or perceived.

risk: The chance or mathematical likelihood that some bad thing might happen. For instance, exposure to radiation poses a risk of cancer. Or the hazard or peril itself. (For instance: Among cancer risks that the people faced were radiation and drinking water tainted with arsenic.)

sex: An animals biological status, typically male or female. There are a number of indicators of biological sex, including sex chromosomes, gonads, internal reproductive organs, and external genitals.

standards: (in research) The values or materials used as benchmarks against which other things can be compared. For instance, clocks attempt to match the official standard benchmark of time the second, as calculated by the official atomic clock. Similarly, scientists look to identify a chemical by matching its properties against a known standard for a particular chemical. (in regulations) A limit above which something may not be used, sold or considered safe.

triglycerides: The main ingredients in many animal fats and oils. A high level of triglycerides in the blood puts someone at risk of developing heart disease or stroke.

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Excess weight alters results of blood tests in kids and teens - Science News for Students

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