Washington, Sep 20 : A new study has found that in order to survive chemotherapy, some cancer cells mimic stem cells.

The study, from the Uniformed Services University of the Health Sciences in Bethesda, suggests that some anti-cancer treatments might have an opposite effect on cancer cells, actually expanding the small population of cancer stem cells believed to drive the disease.

London, September 20 A new study has revealed that 10 per cent of girls in the UK, aged under 16, are carrying a sexually transmitted disease (STD), which may give them cervical cancer later in life.

The figures from the Health Protection Agency show that more and more girls are infected with the human papilloma virus (HPV), which puts them at the risk of developing cervical cancer.

Washington, Sept 20 : A team of researchers at Wake Forest University of Medicine in Winston-Salem, North Carolina have developed a new method in which immune cells from “cancer-resistant” people are to be injected into those with cancer to help fight the disease.

The US Food and Drug Administration (FDA) has granted the researchers permission to screen people for the immune cells’ ability to ward off the disease.

Washington, September 20 : A new study suggests that long-term use of a cell phone may damage a person’s inner ear and high frequency hearing ability.

Presenting the study at the American Academy of Otolaryngology-Head and Neck Surgery Foundation’s Annual Meeting & OTO EXPO in Washington, DC, the researchers said that 100 people who had used cellular phones for over a year suffered increases in the degree of hearing loss over the span of 12 months.

London, Sept 20 : HP, known for inkjet printer cartridges, has developed a "microneedle" patch that injects medicines painlessly through the skin from a patch on the arm.