Annually: adjective for something that happens every year.
average: (in science) a term for the arithmetic mean, which is the sum of a group of numbers which is then divided by the size of the group.
Bacteria: (singular: bacteria) single-celled organisms. They live almost everywhere on Earth, from the bottom of the ocean to inside other living organisms (such as plants and animals). Bacteria are one of the three domains of life on Earth.
behavior: the way something, often a person or other organism, acts or conducts itself toward others.
colleague: someone who works with others; A colleague or team member.
pollutant: pollutant; A chemical, biological or other substance that is undesirable or unnatural in the environment (such as water, soil, air, body or food). Some pollutants can be harmful in the amount they occur in or if they are allowed to build up in the body or environment over time.
contract: (in commerce) an agreement between two parties, such as making a purchase or providing some service.
decay: (v. to corrode; adj. corrosive) A chemical reaction in which metals react with gases or other substances in their environment and cause a form of corrosion. Iron rust is an example of corrosion that is driven by exposure to moisture. These reactions are generally enhanced in strongly acidic or strongly alkaline environments.
decisive: (sing. criteria) standards, rules, characteristics or other things used to make judgments or determinations about something.
depression: (in medicine) a mental disorder characterized by persistent sadness and apathy. Although these feelings can be triggered by events, such as the death of a loved one or moving to a new city, it is not usually considered an “illness”—unless the symptoms are prolonged and impair a person’s ability to perform normal daily activities. Activities (such as working, sleeping or interacting with others). People suffering from depression often feel that they lack the energy they need to do anything. They may have difficulty concentrating on things or showing interest in normal events. Many times, these feelings seem to be sparked by nothing; They can appear anywhere.
disease: (in medicine) a condition in which the body does not function properly, which can be seen as an illness. This term can sometimes be used interchangeably with disease.
the engineer: A person who uses science and mathematics to solve problems. As a verb, to engineer means to design a device, component, or process that will solve some problem or unmet need.
Environmental health: A research field that focuses on measuring the effects of environmental pollutants and other factors on the health of humans, wildlife, or ecosystems.
Epidemiologist: Like health detectives, these researchers look for links to a particular illness that may be causing it and/or allowing it to spread.
factor: something that a certain condition or event plays a role in; A contributor
federal: of or relating to the national government of a country (not to any state or local government within that country). For example, the National Science Foundation and the National Institutes of Health are both US federal government agencies.
strainer: (n.) Something that allows some elements to pass through without allowing others based on their size or some other characteristic. (v.) The process of screening certain substances on the basis of properties such as size, density, electric charge. (in physics) a screen, plate, or layer of a substance that absorbs light or other radiation or selectively blocks the transmission of some of its components.
function: play certain structures or devices in certain roles.
infection: A disease that can spread from one organism to another. It is usually caused by some bacteria.
Leech: (in geology and chemistry) the process by which water (often in the form of rain) removes soluble minerals or other chemicals from solid materials, such as rock, or from sand, soil, bone, trash, or ash.
leadership: A toxic heavy metal (abbreviated as Pb) that goes where calcium wants to go in the body (eg bones and teeth). The metal is particularly toxic to the brain. In a child’s developing brain, this can permanently impair IQ, even at relatively low levels.
mental health: A term for one’s mental, psychological and social well-being. It refers to how people behave themselves and how they interact with others. It includes how people make choices, manage stress, and manage fear or anxiety. Poor mental health can be triggered by illness or reflect a short-term response to life challenges. It can occur in people of any age from children to the elderly.
metal: A type of material that conducts electricity well, is shiny (reflective), and is malleable (ie can be reshaped with heat and not too much force or pressure).
nausea: Feeling sick to one’s stomach, as if one might vomit.
intranet: A group of interconnected persons or things. (v.) The act of making connections with other people who work in a particular area or do similar work (such as artists, business leaders or medical-support groups), often by going to expected gatherings of such people and then chatting with them. (n. networking)
nutrition: (adj. nutrient) The healthy components (nutrients) of food — such as protein, fat, vitamins, and minerals — that the body uses to grow and fuel its processes. A scientist who works in this field is known as a nutritionist.
Pediatrician: A doctor who works in the field of medicine that deals with children and especially child health.
the physical: (adjective) A term for things that exist in the real world, as opposed to memory or imagination. It can also refer to the properties of substances such as their size and non-chemical interactions (such as when one block exerts a force on another block). (in biology and medicine) the term can refer to the body as in physical examination or physical activity.
pollutant: A substance that taints something — such as air, water, our bodies, or products. Some polluting chemicals, such as pesticides. Others may radiate with excess heat or light. Even weeds and other invasive species can be considered a form of biological pollution.
Post-traumatic stress disorder: Also known as PTSD, this is a serious condition that can develop after a person has been exposed to a traumatic injury or severe emotional trauma. Recalling the incident may bring up anxiety and other problems in the victim.
psychology: (adj. psychological ) The study of the human mind, especially relating to action and behavior. To do this, some do research using animals. As scientists and mental-health professionals who work in this field psychologist.
resident: Some members of a community of organisms that live in a particular place. (Antonym: Inspector)
the risk: the chance or mathematical probability that some bad thing can happen. For example, exposure to radiation creates a risk of cancer. Or the danger – or danger – itself. (In this case: Among the cancer risks humans were exposed to were radiation and drinking water containing arsenic.)
social: (adj.) relating to public gatherings; A term for animals (or people) that like to live in groups. (noun) a gathering of people, for example members of a club or other organization, for the purpose of enjoying each other’s company.
value: (in regulation) a limit above which something cannot be used, sold or considered safe.
stress: (in psychology) a mental, physical, emotional, or behavioral response to an event or situation (stress) that disturbs the normal state of a person or animal or places increased demands on the person or animal; Stress can be positive or negative.
Survey: (with people) asking questions that gather information on opinions, practices (such as dining or sleeping habits), knowledge or skills. Researchers select the number and types of people to question in the hope that the answers these people give will be representative of others who are their age, belong to the same ethnic group, or live in the same region. (n.) List of questions that will be asked to collect that data.
Symptoms: A physical or mental indicator that is generally considered characteristic of a disease. Sometimes a single symptom—especially a common one, such as fever or pain—can be a sign of any one of several types of injury or disease.
poisonous: Toxic or capable of damaging or killing cells, tissues or whole organisms. A measure of the risk posed by such a poison is its toxicity.
trauma: (in medicine) an injury, often a fairly serious one. This word can refer to a seriously upsetting event (such as a car accident) or memory (such as the death of a loved one).
