Category Archives: Physiology

Testosterone is the primary male sex hormone and, in men, it plays a key role in the development of male reproductive tissues such as the testis and prostate, as well as promoting secondary sexual characteristics such as increased muscle and […]

If you have ever tried to lose weight by exercising you probably know is not that easy. However, you might be happy to know that the problem is not only a matter of motivation. It’s been consistently reported that the […]

Humans are naturally social. Yet, the modern way of life in developed countries is greatly reducing the quality and quantity of social relationships despite the use of modern technologies that provide an illusory richness of interpersonal contacts. Many people in […]

In the 1930s Clive McCay, a biochemist working in Ithaca, New York, made an interesting observation: rats that were kept on a low calorie diet lived longer than rats that had unrestrained access to food. In the next years this […]

That the so-called “Mediterranean diet” is good to keep a healthy heart is well known. However, how the eating habits of this population help them to stay healthy is not fully understood yet. Researchers from the University of Cambridge in […]

Human brain has about 85 billion neurons. Each neuron forms thousands of chemical and electrical synapses with other neurons. To record the synaptic activity of each neuron in the brain an intracellular probe with a millivolt scale is required. Glass […]

Symbiosis is a close relationship between two organisms that benefits both of them. Many different types of symbiotic processes exist in nature, some of them are very famous like the symbiosis between clownfish (like Nemo from the film) with sea […]