填空题：听音频，回答下面各题。Fatter people are more likely to lose their memo

听音频，回答下面各题。
Fatter people are more likely to lose their memories and brain power quicker than those who are thinner, according to British research.
Those who are obese (肥胖的), and have other health problems such as high blood 26 , lose theirmemory and thinking skills almost a quarter faster. The study was based on almost 6,500 27 , whosehealth was monitored between the ages of 50 and 60. They were weighed and measured, their hearts were checked, and they were also asked what 28 they were taking.
In addition,, they were asked to 29 mental tests three times during the decade, which were used to 30 memory and other cognitive skills.
Of the 6,401 people in the study, nine percent were obese. Of those, 350 had two additional 31 factors such as heart attack, and were taking medicines for either condition.
The researchers found the obese 32 their mental powers faster than their thinner colleagues, while those who also had additional factors lost their memory and thinking skills fastest of all. The latter group 33 a 22.5 percent faster decline on the cognitive test scores over the decade than those who were healthy.
It is still not known why obesity 34 poorer brain performance, but with obesity levels on the rise,it will be important to explore a tittle deeper into this association. Meanwhile, it is also suggested that a 35 , regular exercise, not smoking and controlling blood pressure in midlffe can also help keep away from brain diseases.
请回答（26）题__________.