Author: Philippe Hamida-Pisal

Les sténoses canalaires rachidiennes sont des pathologies fréquentes de l’adulte de plus de 50 ans, notamment au niveau cervical . Elles traduisent un déséquilibre entre un contenu de dimensions constantes et un contenant constitutionnellement étroit ou, plus fréquemment, acquis par dégénérescence disco-vertébrale.

The forehead is particularly prone to repetitive facial expressions and hyperdynamic activity, resulting in deep wrinkles and a loss of elasticity and hydration. Although botulinum toxin type A (BoNTA) has been shown to reduce the appearance of wrinkles and allow patients to have a smoother

The skin is a good model for the study of ageing because of its accessibility and also because its cellular elements– keratinocytes, melanocytes, and fibroblasts, among others– can be easily grown in cell cultures and used in cellular and molecular research. Some scientific research carried