According to the ''British Medical Journal'', "The brain’s capacity for memory, reasoning and comprehension skills (cognitive function) can start to deteriorate from age 45, finds research published on bmj.com today."<ref>[https://www.bmj.com/press-releases/2012/01/05/cognitive-decline-can-begin-early-age-45-warn-experts Cognitive decline can begin as early as age 45, warn experts], British Medical Journal press release</ref> | According to the ''British Medical Journal'', "The brain’s capacity for memory, reasoning and comprehension skills (cognitive function) can start to deteriorate from age 45, finds research published on bmj.com today."<ref>[https://www.bmj.com/press-releases/2012/01/05/cognitive-decline-can-begin-early-age-45-warn-experts Cognitive decline can begin as early as age 45, warn experts], British Medical Journal press release</ref> |