What are the effects of fasting on
human health?
Body, brain and nerve tissue depend on
glucose for metabolism
- Hunger strike or food fast in the
first 3 days is physiological in nature and almost always does not cause
harm or pathology on body and mind because the body is still using energy
from reserve glucose of body. However, the feeling of hunger/hunger pain
remains.
- By the fourth day of the fast,
feelings of hunger disappear altogether and hunger pains turn to severe
gastric irritation. The body’s resources are used up and the liver starts
processing body fat in a process called ketosis, transformation to an
alternative form of energy, to produce ketone bodies.
- These ketone bodies (acetoactate,
hydroxybutyrate and acetone) along with starvation begin to cause
permanent and irreversible vital organ damage of the fasting person. The
fast must be broken on the fifth day to avoid permanent damage to health.
- After a week, the body enters a
starvation mode and the body "mines" the muscles and vital
organs for energy, and loss of bone marrow becomes life–threatening and
cause fatality.
- Brain and nerve tissue depend on
glucose for metabolism. Even though the transformation to an alternative
form of energy has occurred, some parts of the brain exclusively need
glucose, and protein is still needed to produce it. If body protein loss
continues, death will ensue.
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