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Nutrition
Nutrition

Factors Affecting Caloric Intake

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DefinitionA short reference note, not a full lesson.
Definition

Total caloric intake comes from food and drink, and many cultural, emotional, and physiological factors influence how much a person eats.

Detail

Total caloric intake comes from the consumption of foods and drinks. The carbohydrates, fats, and proteins in these foods contain energy expressed in kcal.

Many factors affect a person's caloric intake at any particular time:

  • Cultural and family influences.
  • Emotional states — some people react to stress or depression by over-eating or under-eating.
  • Physiological mechanisms — hormonal or central nervous system regulatory mechanisms may be impaired, leading to over-consumption of food.

Key facts

  • Caloric intake derives from carbohydrates, fats, and proteins in food and drink.
  • Influences include cultural/family habits, emotional states (stress, depression), and hormonal/CNS regulation.
  • Impaired regulatory mechanisms can lead to over-consumption.

Connections

Go deeperNegative Caloric Balance (Caloric Deficit)

Sources

Historical reference · reference manual (page cited)
p.508
Section following "KEY POINT."

See how this applies in practice, with honest limits on what the plan changes.

Build my planYour plan sets calorie and protein targets from your body, activity and goal by a fixed formula. This lesson explains the reasoning; reading it doesn’t change them.Save the lessonFree account · keeps it in your LibraryAsk a question about thisAnswers cite the Library’s own articles

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Factors Affecting Caloric Intake
Caloric Balance (Ene…Psychological Effect…

Atlas Connections

Caloric Balance (Energy Balance)
Caloric balance is the relationship between the calories you take in and the calories you burn; the energy-balance equation is Caloric Intake = Caloric Expenditure.
Negative Caloric Balance (Caloric Deficit)
You lose body fat only when you burn more energy than you eat: a caloric deficit. Combine eating less with being more active, keep lifting and eat plenty of protein so the loss is mostly fat. Expect weight loss to slow over time even if you keep the same deficit.
Psychological Effects of Deprivation
Dieting often breeds an obsession with food and weight, and the sense of deprivation and failure can fuel the very stress-eating it was meant to stop.