Genetics

Researchers explore the epigenetics of daytime sleepiness

Everyone feels tired at times, but up to 20 percent of U.S. adults report feeling so sleepy during the day that it interferes with daily activities, including working, having meals or carrying on conversations. Excessive ...

Genetics

The man who is aging too fast

Nobuaki Nagashima was in his mid-20s when he began to feel like his body was breaking down. He was based in Hokkaido, the northernmost prefecture of Japan, where for 12 years he had been a member of the military, vigorously ...

Genetics

Can stress in the womb lead to mental resilience later in life?

Maternal stress during or after pregnancy has been repeatedly associated with subsequent psychiatric problems and non-coding 'epigenetic' DNA changes during childhood. Animal studies, however, suggest that prenatal stress ...

Genetics

How lifestyle affects our genes

In the past decade, knowledge of how lifestyle affects our genes, a research field called epigenetics, has grown exponentially. Researchers at Lund University have summarised the state of scientific knowledge within epigenetics ...

Genetics

Researchers relate DNA methylation levels to obesity

DNA methylation is a mechanism that regulates whether genes are "on" or "off", and is influenced by hereditary and environmental factors, as well as lifestyle and nutritional habits.

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