Android apps:Are they really affecting your privacy?

Well are the android apps really safe to use?Do question yourselves before downloading any app cause most of the android apps have been collecting your data to such an extent that you guys will be shocked.
A new study from the French organizations- French National Institute for Informatics Research (INRIA) and the National Commission on Computing and Liberty (CNIL)-reveal that apps collect the information way beyond the limit.
During their research,they installed a monitoring app to android phone of the people who voluntered for the research.Shockingly,every time it was accessed,one of the apps accessed the personal data that included the phones location,identifier,photos,messages and other critical info.
Almost two-thirds of apps accessed at least one identifier, 25% of them accessed at least two identifiers and a sixth of apps three or more, the study found. However, it’s not clear what kind of devices were used, or what Android OS version they were running.
The study also revealed that it was easy for the developers to access and track users using the phone's internet or wifi state.
More details:Infoworld