Medical research

Can we turn back the clock on an aging thymus?

As we age our thymus shrinks and is replaced by fatty tissue, losing its essential ability to grow and develop T cells and leaving us susceptible to infections, immune disorders and cancers.

Medical research

Bone density is associated with regular use, study finds

Researchers at the University of Illinois Urbana-Champaign have studied a population of women in rural Poland for the past four years to understand how their lifestyle affects their bone density. The age group and lifestyle ...

Medical research

A fountain of youth for ageing stem cells in bone marrow

As we age, our bones become thinner, we suffer fractures more often, and bone-diseases such as osteoporosis are more likely to occur. One responsible mechanism involves the impaired function of the bone-marrow stem cells, ...

Genetics

Identical twins reveal mechanisms behind aging

In a recent study led by Uppsala University, the researchers compared the DNA of identical (monozygotic) twins of different age. They could show that structural modifications of the DNA, where large or small DNA segments ...

Health

Should short boys take growth hormone?

(HealthDay)—Parents often worry when their child, especially a son, is much shorter than average. But as long as there is no medical cause, parents can rest easy, experts say.

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