WEBVTT 00:00:00.890 --> 00:00:03.120 >> Exercise may dramatically reduce your risk 00:00:03.120 --> 00:00:05.640 of Alzheimer's Disease according to a new study. 00:00:05.640 --> 00:00:09.080 Researchers analyzed the health records of 876 men and women 00:00:09.080 --> 00:00:11.510 who underwent brain scans, memory tests, 00:00:11.510 --> 00:00:14.280 and filled out questionnaires about their physical activity. 00:00:14.280 --> 00:00:17.220 The results showed the more participant exercised the larger 00:00:17.220 --> 00:00:18.950 his or her brain volume. 00:00:18.950 --> 00:00:21.790 That brain benefit translated to a 50% reduction 00:00:21.790 --> 00:00:23.490 in the risk of Alzheimer's. 00:00:23.490 --> 00:00:26.410 Increased exercise also boosted brain volume in people 00:00:26.410 --> 00:00:29.440 who already showed some mild cognitive impairment. 00:00:29.440 --> 00:00:32.240 The editor of the Journal of Alzheimer's Disease says, 00:00:32.240 --> 00:00:33.700 "Currently the greatest promise 00:00:33.700 --> 00:00:36.630 in Alzheimer's Disease research is lifestyle intervention 00:00:36.630 --> 00:00:38.500 including increased exercise." 00:00:38.500 --> 00:00:40.740 I'm Dr. Cindy Haines of HealthDay TV, 00:00:40.740 --> 00:00:43.520 your source for ideas to protect your health.