Sunday October 21, 2018

Women can Boost their Working Memory with Hormone Therapy

Benefits of oestrogen therapy in women.

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oestrogen therapy can increase working memory under stress
oestrogen therapy can increase working memory under stress. wikimedia commons
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New York, Nov 5: Undergoing a type of hormone replacement therapy — used for menopausal treatment — may help protect as well as improve working memory for some women as they age, according to a new study.

Hormone replacement therapy uses female hormones – oestrogen and progesterone – to treat common symptoms of menopause and ageing.

The findings showed that women taking oestrogen-only therapy had lower levels of the stress hormone cortisol and performed better on tests of “working memory” following exposure to stress compared to women taking a placebo.

“Our study suggests that oestrogen treatment after menopause protects the memory that is needed for short-term cognitive tasks from the effects of stress,” said lead author Alexandra Ycaza Herrera, a researcher at the University of Southern California – Davis.

To measure the effect of oestrogen therapy on working memory under stress, the team recruited 42 women with an average age of 66.

Half of the postmenopausal women had been on estradiol — a type of oestrogen therapy — for approximately five years, while the others had received a placebo.

The researchers, in the paper published in the Journal of Clinical Endocrinology and Metabolism, collected saliva to measure the women’s levels of cortisol, oestrogen, and progesterone.

They also ran a test of working memory called a “sentence span task”, in which the women were each given a series and then asked whether each sentence made sense. They also were asked to recall the last word of each one.

While women receiving oestrogen therapy had a smaller increase in cortisol and showed no decrease in working memory function, even after being exposed to stressful situation, those taking the placebo experienced a spike in cortisol levels as well as demonstrated a decrease in working memory function.

Previous studies have pointed to potential health risks — the Ahigher risk of breast cancer, heart disease, stroke and blood clots — of the treatment.

Thus, Herrera noted that “hormone replacement therapy may not be right for every woman, but women need to be able to have the conversation with their doctors”.(IANS)
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Regulating Cryptocurrency Now Important More Than Ever

Financial regulators worldwide have struggled to deal with the rise of electronic alternatives to traditional money.

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virtual currencies
People use a bitcoin ATM in Hong Kong. VOA

A global financial body says governments worldwide must establish rules for virtual currencies like bitcoin to stop criminals from using them to launder money or finance terrorism.

The Financial Action Task Force said Friday that from next year it will start assessing whether countries are doing enough to fight criminal use of virtual currencies.

Countries that don’t could risk being effectively put on a “gray list” by the FATF, which can scare away investors.

Cryptocurrency, virtual currencies
The value of cryptocurrency rises and falls daily. Pixabay

Marshall Billingslea, an assistant U.S. Treasury secretary who holds the FATF’s rotating leadership, said, “We’ve made clear today that every jurisdiction must establish” virtual currency rules. “It’s no longer optional.”

Also Read: McAfee: Cryptocurrency Mining Malware Grew 86% in Q2 of 2018

The FATF described how the Islamic State group and al-Qaida have used virtual currencies.

Financial regulators worldwide have struggled to deal with the rise of electronic alternatives to traditional money. (VOA)