One of the most unexpected and interesting announcements at the show was Jitterbug, a new MVNO from a little-known company called GreatCall. The target market for Jitterbug is older users, especially ...

Hannah Adamson makes Dorothy a deer caught in the headlights. She’s always wide-eyed and disbelieving, until she takes charge ...

Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.

This smartphone for older users sports a huge 5.5-inch screen. Its unique software offers simple menus with large text, plus GreatCall's extensive suite of services for older users. It also offers ...

Lymphocyte activation occurs when lymphocytes (B cells or T cells) are triggered through antigen-specific receptors on their cell surface. This causes the cells to proliferate and differentiate into ...