Health

Photoinitiators detected in human breast milk

Photoinitators (PIs) are compounds used in the ink of many types of food packaging. The substances have been shown to migrate into food and, when consumed, show up in human blood serum. Now, for the first time, researchers ...

Genetics

Why we age: New theories gaining ground

Why do we age? It's a question that has had scientists scratching their heads for decades, but finally, we are starting to get some answers. Here is the story so far.

Oncology & Cancer

Men with prostate cancer can be spared radiotherapy after surgery

Men with prostate cancer can be spared radiotherapy after surgery, according to late breaking results of the RADICALS-RT trial presented at the ESMO Congress 2019 in Barcelona, Spain. The study answers a longstanding question ...

Oncology & Cancer

Guidelines updated for radiotherapy after prostatectomy

(HealthDay)—Clinical guidelines on adjuvant and salvage radiotherapy after radical prostatectomy have been updated, according to the American Society for Radiation Oncology and the American Urological Association.

Medical research

Study finds direct oxidative stress damage shortens telomeres

The same sources thought to inflict oxidative stress on cells—pollution, diesel exhaust, smoking and obesity—also are associated with shorter telomeres, the protective tips on the ends of the chromosomal shoelace.

Medical research

Novel nanoparticle enhances radiation tumor killing

Radiation kills tumors by creating oxygen free radicals that damage the tumor DNA. However, the lack of oxygen in the center of tumors blocks the production of free radicals, inhibiting radiation killing. NIBIB researchers ...

Oncology & Cancer

Improved procedure for cancer-related erectile dysfunction

Melbourne surgeons have modified a minimally invasive technique to help men regain erectile function lost after prostate cancer surgery. The surgery had a 71 per cent success rate with two participants achieving their first ...

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