Diet and Nutrition

Fasting and Its Implications on Health

Written by Dr. Sumaiya Jamil and medically reviewed by iCliniq medical review team.

 
Image: Fasting and Its Implications on Health

Research has found that fasting dramatically increases longevity and reduces health risks like

  • Metabolic dysregulation.
  • Atherosclerosis.
  • Cognitive dysfunction.

People who are well-fed have more chance of weight gain and insulin resistance which increases the risk of

  • Diabetes.
  • Hypertension.
  • Cardiovascular diseases.
  • Stroke.
  • Cancer.
  • Dementia.

Glucose and fats are body fuels for energy. If we restrict glucose intake, the body will utilize fats for energy supply.

Types of Fasting

  • Alternate day fasting.

Consuming 25 % calories on fasting days and normal on nonfasting days.

  • Time-restricted fasting.

1. 16:8 method

Eating within an eight-hour eating window two to three low-carb meals and 16 hours of fasting.

2. 5:2 diet

Fast for two days and normal eating for five days in a week.

  • Prolonged fasting.

Consuming no caloric food or drinks for up to three days or more such as juice diet.

Benefits of Intermittent Fasting

  1. Improved insulin sensitivity.
  2. Increased PGC-1 alpha.
  3. Reduced oxidative stress.
  4. Rids body of excess fluid.
  5. Decreased neurodegeneration.
  6. Simulates growth hormone.
  7. Stimulates brain-derived neurotrophic factor.
  8. Weight loss with prevention of lean mass.
  9. Improved blood pressure.
  10. Cancer prevention.
  11. Improved cognition.

For more information consult a weight loss specialist online --> https://www.icliniq.com/ask-a-doctor-online/dietician/weight-loss

Last reviewed at: 25.Dec.2018

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Related Questions & Answers


What treatment has to be followed to reduce higher fasting blood sugar level?
Query: Hello doctor, My wife (55 years) got sugar results fasting 172, and pp 136. What can be the explanation (higher fasting value)? What treatment course to be followed?  Read Full »
Dr. Shaikh Sadaf
Diabetologist, Endocrinologist, Family Physician, General Practitioner

Answer: Hello, Welcome to icliniq.com. I just read your query about your wife and it seems that she has an impaired fasting blood sugar and that she must have her HbA1c checked to be sure whether she has a need to take medications for diabetes or not. In the meantime try to take a low carbohydrate and low...  Read Full »
 
How can I lose weight?
Query: Hello doctor, I am 171 cm tall, 38 years old, and 80 kg weight. Since the last one to five months, I have left wheat 80 % from my diet and following on average 1000 to 1500 calorie diet everyday. Initially, I lost weight from 80 to 78 kg in two weeks, but now I am stuck on 79 kg weight. I do not k...  Read Full »
Dr. Mahmoud Ahmed Abelrahman Abouibrahim
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Answer: Hi, Welcome to icliniq.com. I understand your concerns. Many persons on the 1200 calorie diet face a similar issue. Here are the tips to lose weight : You should eat small healthy snacks between main meals. Do more cardio exercise. Avoid eating carbohydrates after 7 PM. Good sleeping hygiene ...  Read Full »
 
What are the ways to reduce fasting blood sugar levels?
Query: Hello doctor, I am 49 years old, moderately active, all biochemical parameters mid-range normal. Fasting sugar levels steady at 147 to 149, PP 159 to 250, drops to 80 to 105 at about 6 PM, after lunch at 1.30 to 2 PM. I am having (Glycomet Trio1 and Glycomet GP1) twice a day. Am unable to understan...  Read Full »
Dr. Mahmoud Ahmed Abelrahman Abouibrahim
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Answer: Hi, Welcome to icliniq.com. I understand your concerns. Great fluctuations in blood sugar level are common in diabetics. Your treatment is suitable but it may require some small modifications. My advice in order to have better control is that you have to eat a small meal between the main meals. St...  Read Full »
 

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