Nutrition Powerpoint 2
Nutrition Powerpoint 2 NUTR-23511-009
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This 3 page Class Notes was uploaded by Amy Turk on Monday April 4, 2016. The Class Notes belongs to NUTR-23511-009 at Kent State University taught by Dr. Tanya Falcone in Spring 2016. Since its upload, it has received 8 views. For similar materials see Science of Nutrition in Nutrition and Food Sciences at Kent State University.
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Date Created: 04/04/16
NUTRITION POWERPOINT TWO ● health and longevity is affected by: ○ diet ○ lifestyle behaviors ○ genetic traits ○ environment ○ access to healthcare ● “What we eat is directly related to the development of vitamin and mineral deficiency diseases, to compromise growth and impaired mental development in children, and to the body’s ability to fight off infectious diseases” ● in the past, hospital beds were filled with children and adults with deficiencies… currently, hospital beds are being filled with children and adults with dietary excess ● diabetes: excessive fat ● stroke: ruptured blood vessel in brain ○ alcohol ● cirrhosis of the liver ○ degeneration of the liver ○ excessive alcohol over a long period of time ● osteoporosis: bones become fragile ○ lack of calcium and minerals ● chronic inflammation: lasts weeks, months or years ○ first response of the body’s immune system to infection or irrigation ■ inflammation triggers the release of biologically active substances that promote oxidation and other harmful reactions Obesity ● most common nutritional disorder in the US ● 2 in 3 adults or children ● 2 in 5 children are considered obese ● increases risk of ○ heart disease ○ diabetes ○ certain cancers ○ hypertension ● hypertension… related to heart diseases ○ silent killer ● iron deficiency = most common in women and children ● osteoporosis: low intakes of calcium and vitamin D ○ teens and young adults ■ 50% of women do not get enough calcium and vitamin D ● chronic inflammation and antioxidants ○ chronic inflammation related to… ■ diabetes ■ heart disease ■ arthritis ● oxidative stress ● free radicals ● cancer related genes… ○ sulforaphane: inactivates a gene that produces a substance that encourages cancer development ● cholesterol ○ 50% of the population is at risk ○ as dietary cholesterol increases, blood cholesterol increases ○ cholesterol non responders ■ people who lack the trait ● diets today… ○ high in animal fat ○ high in salt ○ low in fiber ○ low in fruits and veggies ● our bodies are not the same as 40,000 years ago, but the basics are the same ● the body doesn’t digest dietary fiber ● plant proteins are incomplete proteins and animal proteins are complete ● cholesterol is non essential because our bodies produce it ● RDA - recommended dietary allowances ○ ensures that we don’t develop any deficiencies ● DRI - dietary reference intake ○ requirement or recommendation for us to achieve optimal health ● the minute you see symptoms of a health problem, there’s a deficiency in your cells that may or may not be reversible ○ red blood cells die: less oxygen goes from one point to another ● certain nutrients taken in high amounts can cause side effects ● when there’s a vitamin/mineral deficiency… ○ decreased oral intake ○ decreased stores/back up sources ○ starts to hold whatever it needs from bones and tissues ● we are made up of the same things that food is made up of ● the gut dictates how much iron and calcium it wants to take in ● we can’t store protein in our body ● feast or famine cycle: body adapted to the climate changes and availability of food by storing nutrients for use during the slower intake months (winter months) ○ why people who go on crash diets will gain all of the weight back, plus more ● if you’re sick, you’re supposed to increase caloric intake ● liver = garbage of the body ○ also has vitamins and minerals as well ● obesity is the primary cause of diabetes and heart disease ● lifestyle behaviors are more important to diseases than genetics ● heart disease ○ saturated fats ○ trans fat ● diabetes ○ obesity ● when there’s a deficiency of calcium, the body pulls from the bones ○ multiple functions for the body ● hypertension = high blood pressure ○ salted foods ● the body absorbs sodium so efficiently ○ the body needs it to survive ○ in the past, the body only got sodium in small amounts ■ absorbed as much sodium as it possibly could ○ sodium constricts blood vessels, increasing blood pressure ● there’s not one food that will provide all the nutrients you need ○ it’s important to change your sources (protein sources, carb sources) ○ variety is important ● milk, broccoli, chicken, and apples put together = 100% of everything you need ● nutrient-dense food: a lot more nutrients than calories ○ broccoli ○ carrots ● energy-dense food: calorie dense ○ pie ○ cake ○ cookie ○ doughnut ● salmon and eggs: dense in calories and nutrients ○ one of the strongest sources of biotin ● empty calorie foods: same as energy dense foods ○ lots of calories and low nutrition