E. - Fasting for Weight Loss: Physiological Implications

  • Thread starter Thread starter kalladin
  • Start date Start date
Click For Summary

Discussion Overview

The discussion revolves around the physiological implications of fasting for weight loss, particularly focusing on the timing of fasting in relation to exercise and the potential effects on metabolism and weight management. Participants explore the relationship between fasting duration, energy utilization, and lifestyle changes necessary for effective weight loss.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant suggests that it takes around 24 hours of fasting for the body to begin utilizing fat reserves for energy, questioning the usefulness of this knowledge for weight loss strategies.
  • Another participant mentions that the body enters an energy conservation mode when energy reserves are low, expressing uncertainty about how long this mode persists after resuming a normal diet.
  • Concerns are raised about the "yo-yo effect" associated with returning to a previous diet after fasting, implying potential weight gain.
  • A later reply humorously references the term "jojo effect," clarifying a misunderstanding about the term's origin.

Areas of Agreement / Disagreement

Participants express differing views on the implications of fasting and its effectiveness for weight loss, with no consensus reached on the physiological impacts or the best strategies for maintaining weight loss.

Contextual Notes

Limitations include a lack of clarity on the duration of energy conservation mode and the specific dietary modifications necessary to support weight loss effectively.

Who May Find This Useful

Individuals interested in weight loss strategies, fasting, and the physiological effects of diet and exercise may find this discussion relevant.

kalladin
Messages
74
Reaction score
0
So it takes around 24 hours of fasting for an average person before the body taps into fat reserves for energy. So is this knowledge useful for people who want to lose weight? For example, fast for 24 hours, do crazy exercise then eat some food. Of course, there's the dietary modifications that have to be made. What are the physiological implications of fasting before exercise?

K.
 
Biology news on Phys.org
The body will go into a mode of energy conservation when it starts running out of energy. I don't know how long this mode is maintained after the restricted diet is stopped, you don't want to gain extra weight when you go back to your old diet (jojo effect).

Changing your lifestyle would have the biggest impact in the long run.
 
:blushing: jojo is dutch for yo-yo
 

Similar threads

Mind cannot think without overeating
  • · Replies 1 ·
Replies
1
Views
2K
Medical How does a dietary intake of 100% animal fat mimic fasting?
  • · Replies 34 ·
2
Replies
34
Views
14K
Medical Strength training while dieting = weight gain?
  • · Replies 20 ·
Replies
20
Views
19K
  • Poll Poll
Medical Are all calories equivalent for fat loss?
  • · Replies 2 ·
Replies
2
Views
6K
Medical Nutrition label stuffs and diets
  • · Replies 6 ·
Replies
6
Views
4K
Weight Loss & Middle-Aged Men's Prediabetes Risk: New Study
  • · Replies 1 ·
Replies
1
Views
4K
Unraveling the Mystery: The Science Behind Caloric Restriction and Aging
  • · Replies 16 ·
Replies
16
Views
6K
Medical Gaining Weight: A Biochemical Perspective
  • · Replies 6 ·
Replies
6
Views
5K
COVID Reaction to COVID-19 Vaccine (or what to be prepared for)
  • · Replies 287 ·
10
Replies
287
Views
29K
Atkins diet, blood sugar, and weight loss
  • · Replies 20 ·
Replies
20
Views
10K