How the Brain Reacts to Physical Exercise
Physical activity benefits not only the body but also the brain. When we exercise, our nervous system, hormones, and blood flow change in ways that directly affect mood, memory, and…
Posted inHuman Biology Public Health Smart & Healthy
How the Body Reacts to Cold
When exposed to cold temperatures, the human body activates several defense mechanisms to maintain its core temperature around 36.5–37.5°C. These reactions are controlled by the hypothalamus, the part of the…
Posted inHuman Biology Public Health Smart & Healthy
How Food Affects Mood
The food we eat influences not only physical health but also emotional well-being. Scientists have discovered strong links between diet and mood through the way nutrients affect brain chemistry, hormones,…
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 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 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 inBiohacking Fuel Your Body Public Health
How to Balance Your Diet Without Following Strict Diets
A balanced diet is the foundation of good health, but this doesn’t mean you need to follow strict or restrictive diets. Instead of eliminating foods, the goal is to combine…
Posted inPublic Health Smart & Healthy
What Is a Healthy Pulse?
A pulse is the rhythmic beating of the arteries caused by the heart pumping blood through the body. Measuring pulse is one of the simplest and most effective ways to…
Posted inPublic Health Smart & Healthy
How to Prepare for Plasma Donation and How It Differs from Blood Donation
Donating plasma is just as important as donating blood, as it helps treat patients with immune deficiencies, clotting disorders, and other serious conditions. However, plasma donation involves a different process…
Posted inPublic Health Space Weather
How Space Affects Biological Rhythms
Human beings are adapted to life on Earth, where biological rhythms are synchronized with the 24-hour day-night cycle. These rhythms, known as circadian rhythms, regulate sleep, hormone production, metabolism, and…