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Let's Talk One Health Resources

WEBThe concept of One Health is one where we recognize that human health and wellness is deeply interconnected with multiple factors, including the animal world …

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URL: https://letstalkscience.ca/educational-resources/backgrounders/lets-talk-one-health-resources

Does Living Near High-Voltage Power Lines Cause Cancer

WEBIt can also be represented as kg⋅s −2 ⋅A −1. Scientists normally report data in millionths of a tesla, or microteslas (µT). Some people living near high-voltage power …

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Why Do So Many People Get Cancer

WEBTo some extent, this is true. For example, smoking can cause cancer. So can air pollution caused by human activities, like driving and industrial processes. But the very fact that …

Category:  Cancer Go Health

The Surprising Reason You Feel Awful When You're Sick

WEBThat’s because the macrophages fighting the infection in your body send out cytokines. These cytokines can affect the parts of your brain that deal with emotions and …

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Spaceflight and Bone Loss

WEBIt is also the key to why astronauts experience bone loss in space. In space, astronauts experience spaceflight osteopenia. This condition can cause astronauts to …

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Stress and the Brain

WEBEustress is actually thought to be necessary for healthy development. This is because it teaches the brain how to respond to stress in a healthy way. However, being …

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The Science Behind Calories and Nutrition Facts Labels

WEBThese main nutrients are fats ( lipids ), proteins and carbohydrates. Some calories you consume every day should come from each of the three nutrients. About 50 …

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Have Scientists Found a Way for People to Live Longer

WEBThe life-prolonging technique that has been most thoroughly researched is blood transfusions. Scientists joined the circulatory system of an old mouse to that of a young …

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Radiation Effects on the Body

WEBHigh doses of radiation over short periods of time produce acute (severe), short-term effects. High doses of radiation tend to kill cells. This damages tissues and organs. All of …

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The Immune Response

WEBThe adaptive immune response involves two main types of specialized white blood cells called lymphocytes - B cells and T cells. B cells are found in the blood. Their …

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Introduction to Homeostasis and Regulation

WEBTED-ED (2014) by Emma Bryce (3:24 min.). This introduction to homeostasis and regulation in the human body is really only a small glimpse into the complex systems …

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The Great North American Eclipse

WEBA total solar eclipse – when the Moon passes between the Sun and the Earth, completely blocking out the Sun – is a rare occurrence. However, many Canadians will be treated to …

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Osmosis and Its Role in Human Biology and Health

WEBKeeping the body's conditions stable makes it possible for living things to survive. Osmosis plays an important role in the human body, especially in the gastro …

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Why is Henrietta Lacks Important

WEBThe immortal cells of Henrietta Lacks (2016) by Robin Bulleri, TED Ed (4:26 min.). HeLa cells grew so rapidly and so well that research could now be done much …

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Polystyrene: The Pros, the Cons, the Chemistry

WEBPolystyrene is a plastic. As its name suggests, it is made up of many ("poly") styrenes. Styrene is a small organic compound with the chemical formula C 6 H 5 …

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Gamma Rays: Helper or Hazard

WEBGamma Knife Radiosurgery is a special form of radiotherapy. It uses beams of gamma rays to treat injured brain tissue by damaging the DNA of dangerous cells. …

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The Chemistry of Redheads

WEBThe chemical pigment responsible for hair and skin colour is called melanin. Cells called melanocytes use instructions from your DNA to create melanin. They create …

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What are the Pros and Cons of Nuclear Energy

WEBDeep Geologic Repository - OPG's Plan (2017) by OPG videos (1:40 min.). 3. Nuclear Accidents . Since 1952, there have been a number of major nuclear reactor …

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How Snake Venom Kills… and Saves Lives

WEBTo deliver venom, snakes have hollow fangs that act like hypodermic needles. When a snake bites, muscles in its head squeeze the venom glands. This …

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