Vitamin A: A Nutrient Essential for a Healthy Diet

Introduction Vitamin A is an essential nutrient that plays a vital role in many bodily functions, including vision, immune function, cell growth and differentiation, and reproduction. It can be found in both animal and plant sources, including retinol, retinal, and carotenoids. Retinol and retinal are the active forms of vitamin […]

Types of hearing aids: How many are there?

Hearing aids have meant an advance in the quality of life of many people suffering from hearing loss and is that hearing clearly is essential when we want to communicate with our environment. It is normal that over the years we lose hearing quality, although we take care of our ears, so […]