Pollen is a fine powder produced by the reproductive organs of plants, such as flowers, trees, and grasses. It is one of the main triggers...
Dreams are mental representations that occur during REM sleep. Explanations about how our brain perceives dreams are still largely unknown, but some neurological aspects provide...
Cat fur contains allergenic proteins, notably a protein called Fel d 1. This protein is present in the cat's saliva, sebaceous glands, and sweat glands. When the...
Caffeine is a stimulant naturally present in coffee as well as in other beverages such as tea and energy drinks. When we consume coffee, caffeine...
Insulin syringes have very fine needles for several reasons. First of all, insulin is a medication that must be administered by subcutaneous injection, which means...
When a virus such as Ebola enters the body, it mainly targets cells of the immune system, especially macrophages and dendritic cells. These cells are...
The diaphragm is a dome-shaped muscle located under the lungs, separating the thoracic cavity from the abdominal cavity. During inspiration, the diaphragm contracts and flattens, increasing the...
The cry of human babies is often perceived as irritating due to two main characteristics: its high pitch and frequency. Simply put, pitch refers to...
Men generally live shorter lives than women due to several biological factors. One possible explanation is related to genetic predisposition. Men have a Y chromosome, which is...
Complications related to diabetes are numerous and can affect different organs and systems of the body. The main complications of diabetes include: It is crucial...
