Secondary prevention aims to reduce the impact of a disease or injury that has already occurred. This is done by detecting and treating disease or injury as soon as possible to halt or slow its progress, encouraging personal strategies to prevent re injury or recurrence, and implementing programs to return people to their original health and function to prevent long-term problems.
A, B AB and O, O being the most useful, because O blood can be given to everyone, but also the most selective, since they can only receive O blood
Answer:
According to the text attached, when browsing websites, consumer should consider stuff like sponsors, site's purpose, original source of the information offered, community management, organization of the information provided.
Among all those factors, two most important aspects are site's purpose and the original source of the information provided. These two tells a lot about the credibility of the website, if the original source is scientific based, and if the purpose is further more marketing, then that health website is trustworthy.
These aspects are important, because in the Internet there are too much scams, and you have to develop a filter to only feed from those trustworthy websites, even more if it's about your health.