What's The Buzz

What's The Buzz

Vit-D supplements safe for pregnant women

A new study has found that using vitamin D supplements during pregnancy is safe and effective for both women and their newborns, even at the highest amount.

Researchers, led by Dr Bruce Hollis from the Medical University of South Carolina in Charleston, used a randomised controlled trial with healthy expectant mothers to discover how varying dosages of daily supplements could safely sustain a circulating vitamin D level of at least 32 nanograms per milliliter.

“Vitamin D supplementation during pregnancy remains controversial largely due to severe misconceptions about the potential harm it may cause to the fetus,” said Hollis.

While the threat of vitamin D during pregnancy has remained little known, it has been established that the vitamin plays a role in homeostasis, the body’s internal regulation, during pregnancy and that a deficiency can effect immune, pancreatic and cardiovascular systems.
 
You can fidget your way to fitness
Did you know that walking to the photocopier and fidgeting at your desk may not be entirely pointless? In fact, the intensity and the duration of such activities may be contributing more to your cardio-respiratory fitness than you might think. “It’s encouraging to know that if we just increase our incidental activity slightly — a little bit more work around the house, or walking down the hall to speak with a co-worker... we can really benefit our health in the long-term,” says Ashlee McGuire, who led the study.

Obesity leads to premature death in non-smoking women
A new research has found that women who never smoked were much more likely to suffer from obesity and die prematurely, particularly if they are poor. While established research has shown clearly that smoking is linked to premature death and health inequalities, it was not known which causes of death are related to the social position of women who have never smoked, said the paper.

To investigate this area further, the authors, led by Dr Laurence Gruer from NHS Health Scotland, reviewed the cases of 3,613 women who had never smoked. The results showed that the women who did not smoke were more likely to die of diseases of the heart and circulation, but not cancer. They were also more likely to be severely obese and those who were severely obese had the highest death rates.

Scientists find clue to why most cancers relapse
Scientists claim to have found the answer to why most cancers relapse after chemotherapy, a breakthrough they say could lead to a new class of treatments.

People with lung, stomach, skin, bladder, pancreatic and ovarian cancer appear to beat their disease with a common chemotherapy called platinum treatment. However, the diseases often return after they appear to develop resistance to the drug. Sometimes they are put on second-line therapies, but these often do not perform as well. A team at the Ovarian Cancer Action in the UK now found that cancers do not become resistant over the time.

Instead, minute traces of cancers that were always resistant to platinum therapy remain there and cause the relapse of the disease. This discovery helped them identify four or five different molecular “targets” that could be the focus of new drugs, Prof Hani Gabra, director of the UK charity’s research centre, said. “These cancers look like they are platinum-resistant, but in fact they were there from the outset and they were never touched by the drugs,” he said.

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