Aging-related anatomical and physiological changes start several years before the appearance of external signs. Several of these changes start appearing around our forties and continue to do so until our organi...

There are two main activities we think of when talking about hormones. The first is intracellular and intercellular communication: this communication's quality depends on hormones which will interact not only a...

They say we are only as old as our arteries, and, with few exceptions, this is true! The most tragic aspect of cardiovascular diseases, and heart attacks in particular, is their brutality! One minute everythin...

With time, the immune system becomes less efficient. This process begins when the thymus starts to atrophy, which begins right after puberty. The immune system's decline therefore starts very early on, but its ...

The brain begins to age very early, and as soon as we reach 25 years of age, the number of neurological connections begins to decrease. From the age of 50 onwards, the weight of the brain decreases on average b...

Skin owes its elasticity and its resistance to the different layers of tissue which constitute it: the epidermis, the dermis and the hypodermis. The epidermis, the skin's outer layer, makes it waterproof and ma...