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King's College London - Health: More than a medical matter

Glossary

Hormone

A chemical messenger produced in the body, for example testosterone. Hormones can travel through the blood and have an effect elsewhere in the body.



Articles using this Glossary Item

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Study suggests stress link to fertility problems, but methodology questioned

31 March 2014 - by Dr Katie Howe

A US study suggests that preconception stress is associated with lower levels of fertility in women attempting to conceive naturally. However, the study has several limitations and experts warn that worrying about the role of stress in fertility may in fact lower chances of conceiving.... [Read More]

BRCA1 cancer study suggests alternative to major surgery

31 March 2014 - by Dr Sarah Spain

BRCA1 mutations put carriers at high risk of cancer by failing to protect cells against the effects of high levels of oestrogen hormone found in breast and ovary tissue, researchers have established... [Read More]

Two genes pinpointed as cause of diabetes in babies

13 January 2014 - by Shanya Sivakumaran

Scientists have identified mutations in two genes that cause neonatal diabetes, a rare condition affecting around 1 in 100,000 births... [Read More]

Implantable 'gene circuit' helps obese mice slim down

02 December 2013 - by Dr Lux Fatimathas

An artificial 'gene circuit' implanted in obese mice promotes weight loss by reducing appetite, while having no effect when implanted in mice of normal weight... [Read More]

Is pessimism gene too good to be true?

14 October 2013 - by Dr Charlotte Warren-Gash

People who perceive the world negatively may be genetically predisposed to do so, a study suggests... [Read More]

Ovaries 'reawakened' and baby born to early menopause mother

07 October 2013 - by Dr Lucy Freem

A new treatment to stimulate egg production from post-menopausal ovaries has resulted in the successful birth of a child after testing in a small clinical trial... [Read More]

Big breakfast might help counter common fertility problem

07 October 2013 - by Lucy Harris

Eating a hearty breakfast can improve fertility in women with a common menstrual disorder, a small study suggests... [Read More]

Gene test to determine breast cancer treatment gets approval

30 September 2013 - by David O'Rourke

A new genetic test that can estimate the risk of breast cancer in women returning after surgery has been approved for use in the NHS.... [Read More]

Pioneering ovarian tissue graft helps cancer survivor become pregnant

09 September 2013 - by Dr Daniel Grimes

A woman in Australia has become pregnant with her own eggs following an ovarian tissue transplant seven years after her ovaries were removed during cancer treatment.... [Read More]

Obese women almost one-third less likely to have a baby due to 'abnormal womb environment'

11 July 2013 - by Siobhan Chan

Obese women have a much lower chance of having a baby than those with a normal BMI when using a donated egg, according to a study of almost 10,000 women... [Read More]

No or low risk of autism and intellectual disability from IVF

08 July 2013 - by Dr Katie Howe

Children born following IVF have no increased risk of autism but may be at a very small increased risk of intellectual disability, a Swedish study suggests. However, the researchers stress that the overall likelihood of children conceived via IVF having an intellectual impairment remains extremely low... [Read More]

NHS ordered to fund £6000 private IVF for couple kept waiting

24 June 2013 - by James Heather

The board of NHS Greater Glasgow and Clyde, Scotland, has been told to pay for a couple's private fertility treatment and alter their policies after making a 'number of failures' when providing IVF... [Read More]

First baby born from 'safer' IVF method

24 June 2013 - by Siobhan Chan

A new IVF hormone treatment that has resulted in the birth of a baby boy could make IVF less risky, scientists report... [Read More]

Early puberty linked to paternal gene mutation

10 June 2013 - by Dr Amina Aitsi-Selmi

A type of premature puberty known as central precocious puberty is caused by mutations in a gene inherited from fathers, according to a study from Brigham and Women's Hospital, USA... [Read More]

Early trial of epigenetic blood test for post-natal depression

28 May 2013 - by Matthew Thomas

A blood test that looks for chemical alterations to certain genes may help predict whether women will suffer post-natal depression, scientists say after a small study... [Read More]

Remembering Robert Edwards, 1925-2013

15 April 2013 - by Professor Martin H Johnson

Robert Geoffrey Edwards, or 'Bob' as his colleagues and friends knew him, is one of the true giants of the 20th century... [Read More]

Over 80 genetic regions linked to breast, prostate or ovarian cancer

08 April 2013 - by Siobhan Chan

The largest ever study into cancer genes has identified more than 80 genetic markers for breast, prostate and ovarian cancer.... [Read More]

Single gene mutation may be behind type 1 diabetes for minority of patients

11 March 2013 - by Reuben Harwood

Genetic analysis of a family predisposed to type 1 diabetes (T1D) has uncovered the first kind of T1D to be caused by a single gene mutation... [Read More]

UN report: 'Reasonable' to suspect that common chemicals have 'serious implications' for health and fertility

25 February 2013 - by Antony Blackburn-Starza

Untested synthetic chemicals found in many household and industrial products could be associated with adverse health outcomes, including low fertility, says a report by the United Nations Environment Programme and the World Health Organisation... [Read More]

IVF does not increase risk of breast or womb cancer, says study

25 February 2013 - by Dr Lucy Freem

IVF treatment is not associated with an increase in breast, cervical or endometrial cancer, according to analysis of thousands of patient medical records. Ovarian cancer risk was also examined but too few people with ovarian cancer were included in the study for a conclusive result to be shown either way... [Read More]

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