Genetics

Hundreds of genes linked to intelligence in global study

More than 500 genes linked to intelligence have been identified in the largest study of its kind. Scientists compared variation in DNA in more than 240,000 people from around the world, to discover which genes are associated ...

Immunology

Researchers identify how skin ages, loses fat and immunity

Dermal fibroblasts are specialized cells deep in the skin that generate connective tissue and help the skin recover from injury. Some fibroblasts have the ability to convert into fat cells that reside under the dermis, giving ...

Health

Late-life exercise shows rejuvenating effects on cellular level

For people who hate exercising, here comes some more bad news: it may also keep you younger. Not just looking younger, but actually younger, on an epigenetic level. By now, the benefits of exercise have been well established, ...

Health

Marijuana use linked to epigenetic changes

Recent and long-term marijuana use is linked to changes in the human epigenome, a new Northwestern Medicine study published in Molecular Psychiatry has found.

Medical research

Scientists turn back the clock on adult stem cells aging

Researchers have shown they can reverse the aging process for human adult stem cells, which are responsible for helping old or damaged tissues regenerate. The findings could lead to medical treatments that may repair a host ...

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