Physical Activity and Dementia in the Elderly

Want to cut the risk of dementia in elderly individuals by 50%? Get them
to move their bodies. In a study published in the Journal of
Gerontology, it was found that in elderly individuals with poor
physical functioning, increasing their physical activity and
functioning conferred a 50% reduced risk of dementia during the 6.1
years of follow-up. Given the millions of elderly with poor physical
functioning who are institutionalized all over the country, the savings
to the medical system through this intervention would be astounding.

Depression in the Elderly

A study published in the British Journal of Psychiatry followed 521
people over the age of 65 for 2-3 years. At the beginning of the study
none of the subjects were depressed. However, at the end of the study it
was discovered that those people who had lower levels of vitamin B12 and
folate in their blood – and higher levels of a substance called
homocysteine – had a significantly higher risk of depression than other
people in the study.