The research team, directed by Universitat Aut noma de Barcelona professor Adolfo D?ez P?İrez, pointed out a healthy lifestyle, a Mediterranean diet, a temperate climate and regular physical activity as the reasons for his excellent health.
The research team studied the bone mass and analysed the genetics of a man with enviable health who at the time of the study was 113 years old. The research was carried out with four other members of his family: a 101-year-old brother, two daughters aged 81 and 77, and a nephew aged 85, all of them born and still living in a small town of the island of Menorca. The research findings were recently published in the Journal of Gerontology and reported that the man's bones were in excellent conditions: his bone mass was normal, there were no anomalous curvatures and he had never sustained a fracture.
With regard to the genetical analyses, researchers were unsuccessful in finding any mutations in the KLOTHO gene, which is generally related to a good level of mineral density and therefore healthy bones. Neither did they find any mutations in the LRP5 gene, which is associated with longevity. None of the members of the family who participated in the study presented any mutations in this gene.
The results of the research do not rule out the possibility that other genetic mutations could positively influence longevity. However, researchers do point out the fact that the excellent health of this family, and of the 113-year-old man in particular, is probably due to a Mediterranean diet, the temperate climate of the island, a lack of stress and regular physical activity. The article underlines the fact that until the age of 102, the man cycled every day and looked after the family orchard.
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In men, only arm span was associated with a lower risk of dementia. With every increased inch in arm span, men had a six-percent decrease in risk of dementia. The associations with such measures in men and women were stronger toward Alzheimer's disease compared to other types of dementia.
Huang says there is a strong correlation between height and socioeconomic background, and trends are reflected as early as the first two years of life. "Reduced height for age, or stunting, is thought to be most closely tied to environment and the quality of diet in early life, which corresponds with periods of the fastest leg growth," said Huang. "As a result, environment in the first years of life may play an important role in determining future dementia risk."
"Our findings are consistent with other studies that have been done in Korean populations, where shorter limb length was associated with greater risk of dementia," said Huang.
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