Seniors get a warning on medical alert scam. Barbara Adams, 70, keeps getting one of those annoying robocalls that she just knows has to be a scam.The voice implies that somebody, her doctor or maybe her children, signed her up for a medical alert system.It's all free, the recording implies.eniors get a warning on medical alert scam. Barbara Adams, 70, keeps getting one of those annoying robocalls that she just knows has to be a scam.
5.1 Definition and classification. Vitamins are a heterogeneous group of organic compounds essential for the growth and maintenance of animal life. The majority of vitamins are not synthesized by the animal body or at a rate sufficient to meet the animals needs.
A vitamin is a small molecule that your body needs to carry out a certain reaction. Your body has no way to create vitamin molecules itself, so the vitamin molecules must come in through food that you eat. The human body is known to need at least 13 different vitamins:Inside the body, vitamins are used in many unique ways. For example, one of vitamin A's main roles is in the production of retinal. Retinal is used within the rods and cones in your eyes to sense light.he body is able to store some vitamins, such as vitamin A (up to a year's supply is stored in your liver). Other vitamins need to be re-supplied frequently. 1  Vitamins. 2  Prenatal Vitamins. 3  How Vitamin A Works. 4  How B Vitamins Work.