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At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Our team periodically reviews articles in order to ensure content quality. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data.
- American Heart Association: Saturated Fats
- American Heart Association: Obesity Information
- Harvard School of Public Health: Fats and Cholesterol
- "Journal of the National Cancer Institute"; Premenopausal Fat Intake and Risk of Breast Cancer; E. Cho, et al.; July 2003
- "Journal of the National Cancer Institute"; Premenopausal Fat Intake and Risk of Breast Cancer; E. Cho, et al.; July 2003
- MayoClinic.com; Dietary Fats; February 2011
- "Cochrane Database of Systematic Reviews"; Reduced or Modified Dietary Fat for Preventing Cardiovascular Disease; L. Hooper, et al.; July 2011
- "Cochrane Database of Systematic Reviews"; Reduced or Modified Dietary Fat for Preventing Cardiovascular Disease; L. Hooper, et al.; July 2011
The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. Please check with the appropriate physician regarding health questions and concerns. Although we strive to deliver accurate and up-to-date information, no guarantee to that effect is made.
The Disadvantages of High Saturated Fat Levels
Not all fats are bad for your health. Although fat helps keep your hair and skin healthy and is also an essential part of a nutritious diet, the Harvard School of Public Health recommends limiting your consumption of saturated fats, a type of fat that can increase your risk of developing health problems such as cancer, heart disease and obesity 13. Consult your health care provider before making any changes to your diet.
Saturated Fats
Most saturated fats come from animal sources like red meat and butter and are solid at room temperature. These fats can raise low-density lipoprotein, or "bad," cholesterol levels in the body. High levels of LDL in the bloodstream put you at a higher risk for heart disease and stroke. Diets that contain too much saturated fat are linked to chronic conditions such as diabetes and atherosclerosis. The American Heart Association recommends limiting your consumption to no more than 7 percent of your daily calorie intake 12.
- Most saturated fats come from animal sources like red meat and butter and are solid at room temperature.
- These fats can raise low-density lipoprotein, or "bad," cholesterol levels in the body.
Heart Disease
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The American Heart Association states that eating foods that contain a high amount of saturated fat raises the level of cholesterol in your bloodstream 12. Too much cholesterol in the bloodstream can lead to clogged arteries and can greatly increase your risk of developing heart disease. A July 2011 issue of the "Cochrane Database of Systematic Reviews" featured the results of a study conducted at Norwich Medical School, which concluded that subjects who reduced their saturated fat intake cut their risk of developing heart disease by 14 percent 6.
Cancer
People with diets that contain a high level of saturated fats are at a higher risk of developing breast, colon and prostate cancer. The July 2003 issue of the "Journal of the National Cancer Institute" featured a study conducted at the Harvard School of Public Health 34. The study revealed that women who consumed more fats from animals and red meat showed an increased risk of developing breast cancer. Similar studies conducted at the Harvard School of Public Health have related animal fat consumption to increased risk of both prostate and colon cancer 3.
Obesity
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The American Heart Association defines obesity as having a body mass index of 30 or higher 12. Obesity affects 60 to 70 percent of Americans and greatly increases your risk of health problems such as cardiovascular disease and diabetes. A variety of factors can cause obesity, one being excessive intake of saturated fats, the American Heart Association says 12.
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References
- American Heart Association: Saturated Fats
- American Heart Association: Obesity Information
- Harvard School of Public Health: Fats and Cholesterol
- "Journal of the National Cancer Institute"; Premenopausal Fat Intake and Risk of Breast Cancer; E. Cho, et al.; July 2003
- MayoClinic.com; Dietary Fats; February 2011
- "Cochrane Database of Systematic Reviews"; Reduced or Modified Dietary Fat for Preventing Cardiovascular Disease; L. Hooper, et al.; July 2011
- American Heart Association. The Facts on Fats 50 Years of American Heart Association Dietary Fats Recommendations. June 2015.
- Vafeiadou K, Weech M, Altowaijri H, et al. Replacement of Saturated With Unsaturated Fats Had No Impact on Vascular Function but Beneficial Effects on Lipid Biomarkers, E-Selectin, and Blood Pressure: Results From the Randomized Controlled Dietary Intervention and VAScular Function (DIVAS) Study. American Journal of Clinical Nutrition. 2015;102(1):40-8. doi:10.3945/ajcn.114.097089
- American Heart Association. The Skinny on Fats. Updated Apr 30, 2017.
- Siri-tarino PW, Sun Q, Hu FB, Krauss RM. Saturated fatty acids and risk of coronary heart disease: modulation by replacement nutrients. Curr Atheroscler Rep. 2010;12(6):384-90. doi:10.1007/s11883-010-0131-6
- Malhotra A, Redberg RF, Meier P. Saturated fat does not clog the arteries: coronary heart disease is a chronic inflammatory condition, the risk of which can be effectively reduced from healthy lifestyle interventions. Br J Sports Med. 2017;51(15):1111-1112. doi:10.1136/bjsports-2016-097285
- DiNicolantonio JJ, Lucan SC, O’Keefe JH. The evidence for saturated fat and for sugar related to coronary heart disease. Progress in Cardiovascular Diseases. 2016;58(5):464-72. doi:10.1016/j.pcad.2015.11.006
- de Oliveira OMC, Mozaffarian D, Kromhout D, et al. Dietary intake of saturated fat by food source and incident cardiovascular disease: The multi-ethnic study of atherosclerosis. American Journal of Clinical Nutrition. 2012;96:397-404. doi:10.3945/ajcn.112.037770
- American Heart Association. HDL (Good), LDL (Bad) Cholesterol and Triglycerides. Updated April 30, 2017.
- De Souza RJ, Mente A, Maroleanu A, et al. Intake of saturated and trans-unsaturated fatty acids and risk of mortality, cardiovascular disease, and type 2 diabetes: Systematic review and meta-analysis of observational studies. BMJ. 2015;351:h3978. doi:10.1136/bmj.h3978
Writer Bio
Josie Edward began writing and editing for the CU Independent in 2003. A certified nutritionist, she enjoys writing about fitness and health. Edward graduated with a Bachelor of Arts in journalism from the University of Colorado at Boulder in 2008.