Sunlight contains ultraviolet radiation: ultraviolet B radiation (UVB) acts on the epidermis of the skin and causes erythema (reddening). When ultraviolet radiation interacts with 7-dehydrocholesterol in the skin, vitamin D is produced. Things that can affect this...

Moderation is a wise approach. A balanced and healthy diet accommodates most foods and drinks, as long as moderation directs your wise choices. The Mediterranean Diet is grounded on the principles of enjoyment and pleasure. Foods, drinks and meals are best eaten with...

The immune system is a complex network of cells and proteins that defends the body against infection.