How much fat do you really need?
(HealthDay)—With all the attention that the very high-fat Keto diet is getting, you might be wondering how much fat is healthy and how much your body really needs every day to thrive.
Jun 17, 2019
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(HealthDay)—With all the attention that the very high-fat Keto diet is getting, you might be wondering how much fat is healthy and how much your body really needs every day to thrive.
Jun 17, 2019
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Every month there seems to be a new "superfood" that is promoted heavily on the Internet and TV talk shows and endorsed by semi-celebrities. But rarely has a food gone through as dramatic a transformation from dietary villain ...
Jan 16, 2015
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A study led by researchers at McMaster University has found that that trans fats are associated with greater risk of death and coronary heart disease, but saturated fats are not associated with an increased risk of death, ...
Aug 11, 2015
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Consuming higher amounts of unsaturated fats was associated with lower mortality, according to a study from Harvard T.H. Chan School of Public Health. In a large study population followed for more than three decades, researchers ...
Jul 5, 2016
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For some people, being told to stay home all day can disrupt meal routines and add to the challenge of heart-healthy eating. But that challenge can be an opportunity.
Jul 29, 2020
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As you may have heard, we have a new Prime Minister here in Canada. This week he gave marching orders to members of his cabinet, and as you might expect, he has some interesting goals for our new Minister of Health, Dr Jane ...
Nov 17, 2015
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A 98-year-old researcher argues that, contrary to decades of clinical assumptions and advice to patients, dietary cholesterol is good for your heart – unless that cholesterol is unnaturally oxidized (by frying foods in ...
Feb 27, 2013
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There is much confusion at present about the importance of fatty acids in preventing heart attacks. Recent studies have questioned the need to reduce the intake of saturated fatty acids in the diet and to increase that of ...
Jun 30, 2011
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Nearly 12 years after it was first recommended, the federal government has announced its intention to ban partially hydrogenated oils in all food sold in Canada.
Oct 6, 2017
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Banning a harmful ingredient from the Australian food supply could prevent thousands of deaths from heart disease according to new research from The George Institute for Global Health.
Nov 2, 2020
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Trans fat is the common name for a type of unsaturated fat with trans-isomer fatty acid(s). Trans fats may be monounsaturated or polyunsaturated but never saturated.
Unsaturated fat is a fat molecule, containing one or more double bonds between the carbon atoms. Since the carbons are double-bonded to each other, there are fewer bonds available for hydrogen, so there are fewer hydrogen atoms, hence "unsaturated". Cis and trans are terms that refer to the arrangement of chains of carbon atoms across the double bond. In the cis arrangement, the chains are on the same side of the double bond, resulting in a kinked geometry. In the trans arrangement, the chains are on opposite sides of the double bond, and the chain is straight overall.
The process of hydrogenation is intended to add hydrogen atoms to cis-unsaturated fats, eliminating a double bond and making them more saturated. These saturated fats have a higher melting point, which makes them attractive for baking and extends their shelf-life. However, the process frequently has a side effect that turns some cis-isomers into trans-unsaturated fats instead of hydrogenating them completely.
There is another class of trans fats, vaccenic acid, which occurs naturally in trace amounts in meat and dairy products from ruminants.
Unlike other dietary fats, trans fats are not essential, and they do not promote good health. The consumption of trans fats increases one's risk of coronary heart disease by raising levels of "bad" LDL cholesterol and lowering levels of "good" HDL cholesterol. Health authorities worldwide recommend that consumption of trans fat be reduced to trace amounts. Trans fats from partially hydrogenated oils are more harmful than naturally occurring oils.
This text uses material from Wikipedia, licensed under CC BY-SA