TIM NOAKES e | 30% of elite runners on high carb diets will be pre-diabetic in their 30s

http://www.DoctorsToTrust.com
@doctorstotrust3552
presents episode 1134 | Dr Tim Noakes
Levels podcast

Paula Newby-Fraser [winner Iron Man 8 golds, 1 silver, 2 bronze...
-asked Tim, Should I eat more fat? Tim: YES
-she went low carb; won all these Iron Man and triathlons
-when retired said: Best advice ever was from Tim: eat more fat!
Tim: "Having myself developed T2D by
-following high carb diet
-running 70 marathons
-suspicious about health effects of
high carb low fat diets

Study of recreational athletes: 30% became prediabetic when
following high carb high fat eating...
-when eating low carb: controlled their blood glucose perfectly
-those who ate most fat: had greatest glucose control
First study to link fat oxidation in muscle to
-more resistance to prediabetes
Also: FIRST STUDY SHOWING people
developing PREDIABETES without
putting on weight or
changing exercise habits
-Only changed their diet

Dr Clemente: it was crossover trial:
-2 groups: one group: low carb 4 weeks, then high carb 4 weeks
-other group opposite [high carb 4 wks; low carb 4 wks]
-results TRACKED WITH CGM

[very robust design as each group
becomes control and virtually all
confounding variables are accounted
for and eliminated]

Is this representative of all runners? probably very close...
-30% of runners on high carb will become prediabetic in 30-40s
In the 70s, we trained really, really hard
-finished the marathon in 3 hours...everyone left
-no one waited for those in 4-6 hours
-everyone was LEAN [few carbs]
Now: see people finish in 6 hours
"They are a metabolic disaster due to
carrying excess fat. They believe
they are healthy due to so much
running--that is not true"

Some may be able to eat carbs and remain healthy due to
excess training.
-if have visceral fat, wide waist then you will be prediabetic
"Carbs will kill you.
This from the sports doctor who started the carb loading
craze and invented first sports gel!
I know, because I watched my father
die of T2D and as a doctor,
I did not know what to do"

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