Nov 9, 2017
Dr. Jason Fung - Deep Dive - Using Fasting /
Intermittent Fasting for Optimal Health, Wellness and Longevity
with Dr Jason Fung - Part 1
Jason Fung is an author and nephrologist, a doctor who
specializes in kidney health. He is considered one of the world’s
leading experts when it comes to weight loss and reversing diabetes
by way of fasting. For the first few years of practice, Jason was
like most doctors when it came to treating patients –
conventionally oriented.
During this time, he had plenty of patients who had obesity as
the primary cause of their kidney issues. He realized in order to
treat their kidneys, he had to treat their diabetes and for that to
happen, his patients had to lose weight. And so began his interest
in fasting and its many benefits beyond weight loss.
Today, Jason gives us his expert opinion on what fasting is, why
he thinks fasting should be something people naturally do, and why
he suggests weight management is not just about calories.
"Fasting is really the oldest dietary intervention in the book.”
Jason Fung
In this episode, you’ll learn:
- A diet focused on a “calories in, calories out” approach is
bound to fail. Obesity has little to do with calories as it does
with carbohydrates and insulin sensitivity.
- The body cannot sense calories as compared to how it can sense
carbs and hormones and obesity is largely a hormonal issue.
- A kale salad will have a different effect on your hormones
particularly insulin as a plate of cookies with the same calories.
Eating a kale salad everyday will give you different results vs if
you eat a plate of cookies every day.
- Insulin is the hormone that tells the body we're eating now.
Insulin also tells liver to make glycogen, the storage form of
sugar.
- Fasting won’t make you lose muscle. The body burns “junk”
protein and burns it away when you fast. This is why fasting is
also considered a type of detox regimen.
- When you break your fast, the body starts to break down old
nutrients and build new ones. You're basically giving your body a
renovation.
- If there's a deficit in calories, the body reduces energy
expenditure which makes calorie cutting ineffective.
- Fasting on a regular basis helps prevent diseases as it helps
burn junk inside the body and turn them to fuel.
- If you keep insulin levels high all the time you're telling
your body to keep the energy going in which is why the whole “eat
10 small meals a day” fad is only a short-term solution to weight
loss.
- A lean person who fast will burn more protein than fat than an
obese person for obvious reasons.
Key Takeaways:
- Fasting isn't going to make you tired. When you want more
energy you should fast.
- Eating and fasting must be kept in balance.
- Fasting preserves lean body mass much better than caloric
restriction.
Connect with Jason Fung:
Mentioned in this episode:
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