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What Causes Food Cravings?

622.8K views
•
April 28, 2016
by
SciShow
YouTube video player
What Causes Food Cravings?

TL;DR

Food cravings are often psychological, not physiological, tied to emotions and memories.

Transcript

It starts off quiet. A gentle whisper in your ear. You’re working hard, so you push the thought away. But soon it comes back, louder and more urgent… You start thinking about the bar in your backpack, how delicious it would taste… and pretty soon it’s all you can think about as your brain chants louder and louder... Chocolate! Until you cave and gi... Read More

Key Insights

  • 🪡 Physiological hunger signals the body needs calories, while cravings are often tied to emotions and memories.
  • 😋 Food cravings can be a result of a restricted or boring diet, leading to a desire for more varied foods.
  • 😋 The brain’s pleasure center is activated by fatty, high-carb foods, explaining the allure of junk food.
  • 🤘 Cravings are not necessarily a sign of a nutrient deficiency, as the body may be seeking a psychological reward.
  • 💱 Pregnancy cravings are more likely related to mood than hormonal changes.
  • 😋 Memory and emotional ties to food can trigger strong cravings.
  • 😋 Food cravings can be influenced by the brain’s pleasure response and past experiences.

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Questions & Answers

Q: What is the difference between hunger and food cravings?

Hunger is a physiological response indicating the body needs calories, while cravings are usually tied to specific nutrients or emotions like stress.

Q: Can food cravings be a sign of a nutrient deficiency?

While cravings can sometimes signal a need for certain nutrients, they are often more psychological than physiological in nature.

Q: How do memories and emotions play a role in food cravings?

The brain’s memory center can trigger cravings by associating certain foods with happy memories or feelings of reward.

Q: Are pregnancy cravings caused by hormones?

Contrary to popular belief, pregnancy cravings are more likely influenced by mood rather than hormonal changes.

Summary & Key Takeaways

  • Physiological hunger signals the body’s need for calories, while cravings are usually tied to specific nutrients or psychological factors.

  • Cravings can be caused by emotions like stress and anxiety, as well as a dull or restricted diet.

  • Food cravings are not necessarily a sign of a nutrient deficiency, but a result of the brain’s pleasure center and memories.


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