Gregg's Diet Shack
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Cardiologist Dariush Mozaffarian

An associate professor of medicine at Harvard Medical School - author of more than 100 scientific papers on nutrition and health.
Picture
Q: Saturated fat has been dietary public health enemy number one for decades. Why do you think telling people to avoid it is bad advice?
A: The recommendation to cut back on saturated fat was based on concerns that it raises the risk of heart disease. But we’ve learned that its effects are more complex than we first thought.

We’ve known since the 1960s that saturated fat raises LDL cholesterol, the “bad” cholesterol. But LDL is just one biomarker for risk. We now know that there are other cholesterol-containing particles, called HDL, that are related to a lower risk of heart disease. We also know that high levels of triglycerides in the blood, along with other factors, predict heart disease risk. Saturated fat does raise LDL cholesterol. But compared to carbohydrates, it also raises HDL cholesterol and lowers triglycerides. If we looked just at LDL, we would predict that saturated fat raises heart disease risk. If we looked at the effect of saturated fat on HDL and triglycerides, we would suppose that saturated fat lowers that risk. If we looked at the combination, we would predict that saturated fat is relatively neutral for heart disease risk compared to carbohydrates.

Q: So is saturated fat good or bad?
A: To answer that, we need to study how eating saturated fat relates to actual diseases, not simply to biomarkers such as blood cholesterol that only suggest the possibility of artery damage. Three groups of researchers have recently weighed data from all available large long-term studies that have tracked saturated-fat intake and heart attacks or strokes. All three found no association between saturated fat and heart attacks or strokes. People who consumed the highest levels of saturated fat had about the same rates of heart disease as people who consumed the least.


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  • Journey
    • My Health >
      • Genome
      • ACC Fight
    • Chris' Journey
    • About me >
      • Personality
      • Politics
  • Index
  • Basics
    • Discussions by Subject >
      • A-I >
        • Acidity
        • Agriculture
        • Anti-nutrients
        • Antioxidants
        • Brain - Key to Keto-Adaptation
        • Carnivory >
          • Carnivore Science Video
          • My Carnivore Experiment Lecture
        • Cholesterol
        • CICO
        • Coffee
        • Dental >
          • Dental Caries and Carbohydrates
        • Deuterium
        • Dietary vs Liver made fats
        • Fiber >
          • Fiber Menace
        • Gluten
        • Honey
        • Immunity
        • Insulin Resistance
      • J-Z >
        • Ketosis
        • Light and Health
        • Methylation
        • Mitochondria
        • Nutrients >
          • Minerals
          • Carbohydrate >
            • Glucose
          • Fat >
            • Saturated Fat
          • Protein >
            • Protein Leverage Hypothesis
          • Nutrients - Plant vs Animal Sources
          • Potassium
        • Obesity
        • Salt gets its own page
        • Soy - Western A. Price
        • Statins
        • Uric Acid
        • Vaccines
        • Vegetarianism >
          • Vegetarians Have Smaller Brains
        • Vitamins >
          • D
          • Vitamin C
          • Vitamin D >
            • Covid19-D
            • Slides from Garland's Lecture
          • Vitamin K
    • Foods - Nobody does it better than Georgia Ede >
      • Arachidonic Acid
      • Beef >
        • Red meat - health concerns
      • Meat Composition
      • Vegetables
    • The People >
      • Vilhjálmur Stefánnson
      • Benjamin Bikman
      • Ivor Cummins
      • Georgia Ede MD
      • Phil Escott >
        • Arthritis: The Best Thing That Happened To Me
        • Pure Activity
      • Duane Graveline (SpaceDoc)
      • Barry Groves >
        • Do You Have to be Mental to be a Vegetarian
      • Zoe Harcombe
      • Adele Hite
      • Lierre Keith
      • Hugh Khan
      • Malcolm Kendrick
      • Paul Mabry
      • Malaena Medford >
        • MM On Calories
        • MM On Cancer
        • MM on Covid
        • MM On Feeding Our Young
        • MM On Histamine
        • MM On Ketosis
        • MM On Peanuts
        • MM On Raw Food
        • MM On Sustainability of Food
      • Tom Naughton - Fat Head
      • Tim Noakes
      • L. Amber O'Hearn
      • The Bear - Owsley Stanley
    • Rosedale Lecture
    • All Sorts of Links and Videos
    • The 20 Myths
    • Diet and Nutrition for the Australian People
    • Diet, Nutrition and Biochemistry Blogs and Websites
    • Discussion on the 'life expectancy' myth
    • Micronutrients Veg vs. Meat
    • Human History >
      • Articles
      • Catching Fire
      • How Carnivorous are we
    • The Fat of the Land
  • Diseases
    • Aging
    • Arthritis
    • Cancer >
      • Cancer as a Metabolic Disease
      • Cancer - General
      • Cancer - Breast
      • Cancer - Colon >
        • Cancer - Colorectal (links)
      • Cancer - Pancreatic
      • Cancer Skin >
        • Cancer - Skin - SecondOpinions
      • Carbohydrate and Cancer
    • Covid19 >
      • Antivirals
      • Chetty
      • Covidvax
      • Mask
    • Cramp
    • Dementia
    • Diabetes
    • Diverticulosis >
      • Diverticular Disease Information - Barry Groves
    • Fatty Liver
    • Gallstones
    • Gout
    • Heart Disease
    • Kidney Stones
    • Psychological
    • Scurvy
    • Ulcerative Colitis
  • The Studies
    • Of mice and men
    • Links to Studies (and Other Knowledge)
    • The Study
    • Uffe Ravnskof Commentary
    • 8 Glasses of Water a Day?
    • Simple Facts
    • To Microwave or Not to Microwave
    • Social Stuff >
      • Political Party Policies On Food Guidelines
    • Gun Stuff >
      • Shooting
    • Climate Science >
      • 97%
      • David Kear Booklet
      • 31000
      • Gerlach-1991
      • Alarmist Claim Rebuttals
  • Tools
    • Non Diet Tools
  • Blog
    • BUPA >
      • Bupa "Consultation" Documents
    • Greggatshack's Wordpress Blogs
    • Blogs from Malaena Medford
    • Various and Sundry >
      • My Session with Savelev >
        • Steak
      • My Session With Blocked By Pete Evans
      • Fencing Manual
      • Vic Stone and I on handicapping
      • Betty Megaw
      • Chris Genealogy Test
  • Quotes
  • Recipes
  • Articles
    • 42
    • The Cure for Diabetes - Men's Health
  • Contact
  • RDA
    • A-Z of Food
  • Liver Flush
  • Smacking
  • Controversy
    • Controversy-Kathleen
    • SatFat
    • WTFWR
    • Unvaxxed
  • Whisky
  • Lentils
  • Chad
  • IQ
  • False
  • Falseinfo
  • factcheckgood
  • factcheckivermectin
  • TGC-Licence
  • Moccasins
  • totalgym
    • Totalgym - Terms
    • totalgym 1-9
    • Totalgym 10-19
    • Totalgym 20-29
    • Totalgym 30-
    • Totalgym-Additional