The risk of developing age-related diseases spikes at certain times of life when ageing accelerates, according to new research from Stanford Medicine. Kath Hudson reports
The effects of accelerated ageing in the early 60s can be partly offset by exercise / photo: Shutterstock/Inside Creative House
According to research undertaken by Stanford Medicine in the US, ageing is non-linear and there are periods of significant change around the ages of 44 and 60.
The longitudinal study, Nonlinear dynamics of multi-omics profiles during human aging, published in the journal Nature Aging, followed 108 participants aged between 25 and 75 years of age. Biological samples – blood, stool, skin swab, oral swab and nasal swabs – were taken every three to six months for a maximum of 6.8 years and average of 1.7 years.
The evidence pointed overwhelmingly to ageing being a non-linear process, with the risk of developing age-related diseases spiking at certain ages – especially after 60.
Only 6.6 per cent of molecules displayed linear changes throughout human ageing, a finding which is consistent with previous research.
“We’re not just changing gradually over time; there are some really dramatic changes,” says Michael Snyder, PhD, professor of genetics and the study’s senior author. “It turns out the mid-40s is a time of dramatic change, as is the early 60s. And that’s true no matter what class of molecules you look at in the body.”
At 44 and 60 there are distinct shifts in ageing, including the ability to metabolise caffeine, alcohol and lipids. The ageing of skin and muscle is also markedly accelerated at both of these crests, as is cardiovascular health.
The second wave of changes includes molecules involved in immune regulation, carbohydrate metabolism and kidney function. After 60 there’s also a more rapid decline in the immune system, as well as oxygen carrier activity and a higher risk of developing both kidney and cardiovascular disease and Type 2 diabetes.
The mystery of men While the ageing spike at 60 was not surprising to the scientists, the changes in the mid-40s were less expected and were initially assigned to the perimenopause, until they found the changes occur in men as well.
“This suggests that while menopause or perimenopause may contribute to the changes observed in women in their mid-40s, there are likely other, more significant factors influencing these changes in both men and women. Identifying these factors should be a priority for future research,” says first author of the study, Xiaotao Shen.
The team plans emphasised the importance of paying increased attention to health during the 40s and 60s, for example, increasing exercise and decreasing alcohol consumption.
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The risk of developing age-related diseases spikes at certain times of life when ageing accelerates, according to new research from Stanford Medicine. Kath Hudson reports
The effects of accelerated ageing in the early 60s can be partly offset by exercise / photo: Shutterstock/Inside Creative House
According to research undertaken by Stanford Medicine in the US, ageing is non-linear and there are periods of significant change around the ages of 44 and 60.
The longitudinal study, Nonlinear dynamics of multi-omics profiles during human aging, published in the journal Nature Aging, followed 108 participants aged between 25 and 75 years of age. Biological samples – blood, stool, skin swab, oral swab and nasal swabs – were taken every three to six months for a maximum of 6.8 years and average of 1.7 years.
The evidence pointed overwhelmingly to ageing being a non-linear process, with the risk of developing age-related diseases spiking at certain ages – especially after 60.
Only 6.6 per cent of molecules displayed linear changes throughout human ageing, a finding which is consistent with previous research.
“We’re not just changing gradually over time; there are some really dramatic changes,” says Michael Snyder, PhD, professor of genetics and the study’s senior author. “It turns out the mid-40s is a time of dramatic change, as is the early 60s. And that’s true no matter what class of molecules you look at in the body.”
At 44 and 60 there are distinct shifts in ageing, including the ability to metabolise caffeine, alcohol and lipids. The ageing of skin and muscle is also markedly accelerated at both of these crests, as is cardiovascular health.
The second wave of changes includes molecules involved in immune regulation, carbohydrate metabolism and kidney function. After 60 there’s also a more rapid decline in the immune system, as well as oxygen carrier activity and a higher risk of developing both kidney and cardiovascular disease and Type 2 diabetes.
The mystery of men While the ageing spike at 60 was not surprising to the scientists, the changes in the mid-40s were less expected and were initially assigned to the perimenopause, until they found the changes occur in men as well.
“This suggests that while menopause or perimenopause may contribute to the changes observed in women in their mid-40s, there are likely other, more significant factors influencing these changes in both men and women. Identifying these factors should be a priority for future research,” says first author of the study, Xiaotao Shen.
The team plans emphasised the importance of paying increased attention to health during the 40s and 60s, for example, increasing exercise and decreasing alcohol consumption.
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Active Blackpool is deploying Cornerstone Connect, a new digital interface allowing
disparate information from multiple systems to be aggregated into one dataset, to support
its focus on reducing health inequalities and improving healthy life expectancy. [more...]
CoverMe, the global leader in fitness workforce management, today launches CoverMe PT, an
on-demand personal training platform that connects the right personal trainer to the right
client in under 10 seconds. [more...]
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