Smart & Healthy – Page 27

What Is Addiction?

Addiction is a chronic condition in which a person develops an uncontrollable urge to engage in a behavior or consume a substance, despite harmful consequences. It affects both the brain…

deka September 18, 2025

Bioethics & Science Smart & Healthy

Psychology – Its History and What It Represents Today

Understanding human behavior and the mind has fascinated humanity for centuries. Psychology, as a scientific field, has developed from philosophical speculation into a rich discipline that combines theory, research, and…

deka September 18, 2025

Human Biology Smart & Healthy

Fast and Slow Dopamine: How It Shapes Our Motivation

Dopamine is one of the brain’s most important neurotransmitters, playing a central role in motivation, reward, learning, and movement. Scientists distinguish between two types of dopamine release: fast dopamine spikes…

deka September 18, 2025

Human Biology Smart & Healthy

How the Human Brain Works

The human brain is the most complex organ in the body and one of the most advanced structures known in nature. It controls everything from basic survival functions like breathing…

deka September 18, 2025

Human Biology Smart & Healthy

The Spinal Cord: Structure and Function

The spinal cord is one of the most vital parts of the human nervous system. It acts as a communication highway between the brain and the rest of the body,…

deka September 18, 2025

Human Biology Smart & Healthy

The Solar Plexus: What It Is and Why It Is Important

The solar plexus, also known as the celiac plexus, is a dense network of nerves located in the upper abdomen, just behind the stomach and below the diaphragm. It is…

deka September 18, 2025

First aid Public Health Smart & Healthy

Why It Is Important to Treat Wounds with Antiseptic

When the skin is damaged, harmful microorganisms such as bacteria, fungi, and viruses can easily enter the body. Applying an antiseptic cleanses the wound and significantly lowers the risk of…

deka September 18, 2025

Human Biology Public Health Smart & Healthy

How the Human Immune System Works

The immune system is the body’s natural defense network that protects against harmful pathogens such as bacteria, viruses, fungi, and parasites. It is not a single organ but a complex…

deka September 18, 2025

Human Biology Smart & Healthy

Microbes: The Invisible World That Shapes Life

Microbes are microscopic organisms that are too small to be seen with the naked eye. They include bacteria, viruses, fungi, protozoa, and some algae. Despite their size, microbes play a…

deka September 16, 2025

Danger Public Health Smart & Healthy

Obesity: Causes, Risks, and Ways to Prevent It

Obesity is a chronic condition characterized by excessive accumulation of body fat that poses risks to health. It has become one of the most pressing global health issues, affecting millions…

deka September 16, 2025