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Even mild stress can lead to disability

A new study has revealed that even relatively mild stress can lead to long-term disability and an inability to work.

Between 2002 and 2007, the authors tracked the health of more than 17,000 working adults up to the age of 64, who had been randomly selected from the population in the Stockholm area. During the monitoring period, 649 people started receiving disability benefit, 203 for a mental health problem and the remainder for physical ill health. Higher levels of stress at the start of the study were associated with a significantly greater likelihood of subsequently being awarded long term disability benefits.

But even those with mild stress were up to 70 per cent more likely to receive disability benefits, after taking account of other factors likely to influence the results, such as lifestyle and alcohol intake. One in four of these benefits awarded for a physical illness, such as high blood pressure, angina, and stroke, and almost two thirds awarded for a mental illness, were attributable to stress.

Maternal obesity to cause infertility in next generation

Levels of the hormone ghrelin are low in obese women and a recent study reports that mice whose mothers had low ghrelin levels were less fertile due to a defect in implantation.

Hormones involved in energy balance and metabolism, such as ghrelin, have been shown to regulate reproductive function in animals and humans. However ghrelin's role in reproductive tract development remains unclear. The current study examined the effect of ghrelin deficiency on the developmental programming of female fertility. “While our study involved mice, we believe our findings have significant implications for women,” said Yale University School of Medicine’s Hugh Taylor.

Prostate and breast cancer usually recur in bone: Study

A new University of Michigan study has found that prostate and breast cancer usually recur in the bone. Prostate cancer cells specifically target and eventually overrun the bone marrow niche, a specialized area for hematopoietic stem cells, which make red and white blood cells, said professor at the U-M School of Dentistry Russell Taichman.

Once in the niche, the cancer cells stay dormant and when they become active again years later, that’s when tumors recur in the bone. Taichman and a team of researchers looked in the bone marrow and found cancer cells and hematopoietic stem cells next to one another competing for the same place. The finding demonstrates that the bone marrow niche plays a central role in bone metastasis.

Narendra Modi or Rahul Gandhi? Who will win the battle royale of the Lok Sabha Elections 2019


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