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Human Biology

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Cholesterol: What It Is and Why It Matters
Posted inHuman Biology Public Health Smart & Healthy

Cholesterol: What It Is and Why It Matters

Cholesterol is a fatty, wax-like substance that is naturally produced in the liver and also obtained from certain foods. Despite its negative reputation, cholesterol plays essential roles in the human…
Posted by deka August 27, 2025
What Happens to the Body During Obesity
Posted inHuman Biology Public Health Smart & Healthy

What Happens to the Body During Obesity

Obesity is a condition where excessive body fat accumulates to the point that it negatively affects health. It develops when energy intake (food and drink) regularly exceeds energy expenditure (physical…
Posted by deka August 26, 2025
How the Liver Works and How to Keep It Healthy
Posted inHealthy Lifestyle Human Biology Public Health

How the Liver Works and How to Keep It Healthy

The liver is one of the most vital organs in the human body. It performs more than 500 different functions, making it essential for survival. From filtering toxins to producing…
Posted by deka August 26, 2025
The Influence of Hormones on Appetite
Posted inHuman Biology Smart & Healthy

The Influence of Hormones on Appetite

Appetite is not controlled by willpower alone—it is strongly regulated by hormones, the body’s chemical messengers. These substances send signals between the brain, stomach, fat tissue, and other organs, determining…
Posted by deka August 22, 2025
What Happens to the Body When Smoking
Posted inDanger Human Biology Public Health

What Happens to the Body When Smoking

Smoking is one of the most harmful habits for human health, affecting almost every organ in the body. Cigarette smoke contains more than 7,000 chemicals, many of which are toxic…
Posted by deka August 22, 2025
How Alcohol Destroys Neurons
Posted inHuman Biology Public Health

How Alcohol Destroys Neurons

Alcohol is one of the most widely consumed psychoactive substances, but its effects on the brain are among the most harmful. While moderate drinking may seem harmless, excessive or chronic…
Posted by deka August 22, 2025
The Role of Iron in the Human Body
Posted inHuman Biology Public Health

The Role of Iron in the Human Body

Iron is a vital mineral that plays a central role in keeping the body healthy and functioning properly. Although needed in small amounts, it is essential for oxygen transport, energy…
Posted by deka August 22, 2025
How Thermoregulation Works in Humans
Posted inHuman Biology Public Health

How Thermoregulation Works in Humans

Thermoregulation is the body’s ability to maintain a stable internal temperature despite changes in the environment. For humans, the ideal internal temperature is about 36.5–37°C (97.7–98.6°F). This process is vital…
Posted by deka August 22, 2025
How Nutrition Affects Cognitive Functions
Posted inFuel Your Body Human Biology Public Health

How Nutrition Affects Cognitive Functions

Nutrition plays a crucial role in supporting cognitive functions, such as memory, attention, and problem-solving. The brain requires a constant supply of energy and nutrients to function effectively. What we…
Posted by deka August 22, 2025
How Nutrition Affects Cognitive Functions
Posted inHuman Biology Public Health Smart & Healthy

How Nutrition Affects Cognitive Functions

Nutrition plays a crucial role in supporting cognitive functions, such as memory, attention, and problem-solving. The brain requires a constant supply of energy and nutrients to function effectively. What we…
Posted by deka August 21, 2025

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