Articles on Telomeres

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Are space twin Scott and Earth twin Mark no longer identical? Robert Markowitz/NASA

Does a year in space make you older or younger?

Before sending humans to Mars or the moon, scientists need to understand what long-term space living does to the human body. Now results are coming in from the Kelly brothers in the TWINS Study,
Bright sun and fatty foods are a bad recipe for your DNA. By Tish1/shutterstock.com

How summer and diet damage your DNA, and what you can do

Scientists have long thought that regions of DNA called telomeres control how long you live. We are now learning that it is your diet and lifestyle that shape your telomeres, not the other way around.
Use-by dates: human chromosomes with their telomeres highlighted. NASA

Do Finnish men age faster when unemployed?

Men who are unemployed for more than two years show signs of faster ageing in their DNA, according to a study published today…

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