Oncology & Cancer

Human skin begins tanning in seconds, and here's how

We all know that human skin tans after days spent in the sun. That relatively slow process has known links to ultraviolet (and specifically UVB) exposure, which leads to tanning only after it damages the DNA of skin cells. ...

Psychology & Psychiatry

Traumatic stress may affect DNA, but psychotherapy may heal it

A new study published in the current issue of Psychotherapy and Psychosomatics for the first time demonstrates that traumatic stress may induce DNA breakage, but psychotherapy may heal it. Previous research reveals an association ...

Medical research

Key to aging immune system is discovered

There's a good reason people over 60 are not donor candidates for bone marrow transplantation. The immune system ages and weakens with time, making the elderly prone to life-threatening infection and other maladies, and a ...

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