What bone disease, most common in women over the age of 50.causes bones to become weak and brittle

Osteoporosis is the most common type of bone disease. Osteoporosis increases the risk of breaking a bone. About one half of all women over the age of 50 will have a fracture of the hip, wrist, or vertebra (bones of the spine) during their lifetime

Think it's rice because in many countries rice is the main food so it can be traditionally served all at once.