Impairment in areas such as problem solving, reaction times, and number recall are more common among people who go on to develop dementia-related diseases.
Researchers from the University of Bern say movement patterns can reveal age-related conditions such as a weakening heart and even dementia.
Scientists say losing the olfactory sense -- a condition called anosmia -- appears to be one of the first symptoms of the disease.
An algorithm can determine whether someone is suffering from anemia simply by looking at a photograph taken on a modern phone.
New high-tech brain scans capable of detecting the earliest signs of the onset of diseases have been developed.
Researchers say Vector Trace brain cells take note of how we far travel during trips and can record the locations of objects and places along the way.