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Industrial Revolution
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B
Bonbo
Me as you
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HEALTH
Nutrition
Micronutrient Deficiency
Hidden hunger from missing micronutrients silently undermines global health
19 hours ago
0
What is a primary reason micronutrient deficiencies persist even when calorie intake is sufficient?
Excessive calorie consumption causing nutrient dilution
Poor dietary diversity leading to inadequate vitamin and mineral intake
Micronutrient deficiencies are only caused by genetic disorders
S
Stevex
Love life
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NUTRITION
Dietary Fats
Saturated Fat
The chemical saturation of fats shapes both kitchen staples and heart health debates
2 days ago
0
How does the chemical structure of saturated fats influence their physical state and health impact?
Their double bonds make them liquid at room temperature and always beneficial for heart health.
Saturated fats contain no hydrogen atoms, which makes them unstable and harmful in all amounts.
Their single bonds allow tight packing, making them solid at room temperature and influencing cholesterol levels.
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Physics_At_Sea
Physicist from London with special interest in Quantum Mechanics
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HEALTH
Nutrition
Vitamin C
A single vitamin deficiency once sank entire naval expeditions
2 days ago
0
Why is vitamin C essential for human health despite being water-soluble and not stored in the body?
Because it accumulates in the body to provide long-term antioxidant protection.
Because it can be synthesized by humans but is better absorbed from supplements.
Because it is required regularly to support collagen synthesis and immune function, and the body cannot produce it.
E
editorfivestar
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NUTRITION
Dietary Practices
Pescetarianism
A single dietary choice reshapes health and environmental impact through seafood inclusion
4 days ago
0
What is a key nutritional advantage of including seafood in a pescetarian diet compared to strict vegetarianism?
Seafood eliminates the need for any plant-based foods in the diet.
Seafood provides essential omega-3 fatty acids and complete proteins not typically found in plant-only diets.
Pescetarianism excludes all animal products including eggs and dairy.
F
Fos
Author has not completed a profile
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HEALTH
Nutrition
Ergocalciferol (Vitamin D2)
Plant-based vitamin D2 offers a vital alternative when absorption or liver issues limit vitamin D3 effectiveness
4 days ago
0
Why might ergocalciferol be preferred over cholecalciferol in certain medical conditions?
Because it is naturally produced by human skin upon sun exposure
Because it has a longer duration of action than cholecalciferol
Because it can be effective when intestinal absorption or liver function is impaired
B
Bonbo
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HEALTH
Nutrition
Healthy Eating
The daily struggle between convenience foods and nutrient-rich choices shapes global health outcomes
5 days ago
0
What is the primary trade-off people face when trying to maintain a healthy diet?
Choosing between convenient processed foods and nutrient-rich whole foods
Eating only high-protein foods regardless of other nutrients
Avoiding all fats to maintain a healthy diet
B
Bonbo
Me as you
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HEALTH
Nutrition
Probiotics
The invisible allies in your gut that turned bacteria from foes to friends
6 days ago
0
What is a key factor that determines the effectiveness of probiotics in improving health?
The total number of bacteria consumed regardless of strain
The specific strain of microorganism and its ability to survive in the gut
All bacteria in probiotics have the same health benefits
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Fos
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HEALTH
Nutrition
Vitamin D
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Sunlight-triggered vitamin D reshaped bone health worldwide
8 days ago
The discovery that vitamin D is essential for calcium absorption revolutionized our understanding of bone health and disease prevention. Without vitamin D, our bodies struggle to absorb calcium and phosphate from food, leading to weakened...
S
Stevex
Love life
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BIOLOGY
Nutrition
Fat-soluble vitamins
Fat-soluble vitamins can build up to toxic levels, unlike water-soluble ones
9 days ago
0
Why do fat-soluble vitamins pose a higher risk of toxicity compared to water-soluble vitamins?
Because they are not absorbed well and accumulate in the intestines.
Because they dissolve in water and are rapidly flushed out of the body.
Because they are stored in the body's fat and liver tissues and not easily excreted.
S
SteveO1
Technology and cars
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SCIENCE
Nutrition
Nutrient Loss
The quest to preserve food often sacrifices vital nutrients in the process
11 days ago
0
What is a major trade-off involved in food processing related to nutrient loss?
Food processing extends shelf life but often reduces nutrient content.
Food processing always increases the nutrient content of foods.
Nutrient loss during food processing is negligible and unimportant.
N
Nellieger
I am studying psychology
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NUTRITION
Dietary Fats
Saturated Fat
Saturated fat's reputation shifts as science reveals its complex role in heart health
13 days ago
0
Why is the impact of saturated fat on heart health more complex than previously thought?
Because saturated fat only raises bad cholesterol and should be completely avoided.
Because all fats, including saturated fats, have the same effect on heart health.
Because saturated fat affects both LDL and HDL cholesterol, and its health effects depend on overall diet and lifestyle.
B
Bb115
Books and cars
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HEALTH
Nutrition
Vitamin C
The vitamin that saved sailors from scurvy but can’t cure the common cold
10 Feb 2026
0
Why is vitamin C essential for human health despite not curing the common cold?
Because it acts as a powerful antibiotic that kills cold viruses.
Because it can be produced by the human body when needed.
Because it prevents scurvy by supporting collagen synthesis and tissue repair.
J
JOHN_BASH
Expert in mushrooms and fungi
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FOOD SCIENCE
Nutrition
Fresh Fruit
Fresh fruit's fleeting freshness shapes global diets and environmental impact
9 Feb 2026
0
Why is consuming fresh fruit soon after harvest important for nutritional benefits?
Because nutrients like vitamin C degrade rapidly after picking, reducing health benefits.
Because fresh fruit contains more calories than processed fruit.
Because fresh fruit is always cheaper than canned or dried fruit.
S
steve121123
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NUTRITION
Dietary Components
Whole Grain
The hidden nutritional war inside every grain shapes global health outcomes
9 Feb 2026
0
Why do whole grains offer more health benefits compared to refined grains?
Because they are processed to remove all parts except the endosperm
Because they contain the bran, germ, and endosperm, preserving fiber and nutrients
Because they contain only the endosperm, which is the most nutritious part
N
Nellieger
I am studying psychology
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HEALTH
Nutrition
Vitamin C
Vitamin C rich fruits and vegetables are essential to prevent scurvy and maintain health
3 Feb 2026
0
Which of the following vegetables is particularly high in vitamin C content?
Red bell peppers
Potatoes
Carrots
S
steve121123
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HEALTH
Nutrition
Balanced Diet
0
Balanced diets provide essential nutrients to maintain health and prevent chronic diseases
2 Feb 2026
Balanced diets provide essential nutrients to maintain health and prevent chronic diseases A balanced diet is one that provides all the essential nutrients the body needs to maintain health, support growth, and provide energy. It...
N
Nellieger
I am studying psychology
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HEALTH
Nutrition
Dietary Iron
Iron is vital for oxygen transport and energy production in every human cell
31 Jan 2026
0
Which form of dietary iron is absorbed more efficiently by the human body?
Non-heme iron from plant sources
Iron supplements taken without food
Heme iron from animal sources
N
Nellieger
I am studying psychology
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HEALTH
Nutrition
Lucky Iron Fish
Innovative fish-shaped iron ingots help combat iron-deficiency anemia in vulnerable communities
27 Jan 2026
0
How does the Lucky Iron Fish help increase iron intake in individuals with iron-deficiency anemia?
By releasing elemental iron into boiling water and food during cooking, which supplements dietary iron intake.
By being consumed directly as an iron supplement pill.
By changing the chemical composition of food to create iron naturally.
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