Tag Archives: biology-Endocrine

Why sisters and friends share simultaneous menstrual cycles

Helium.com

by Megan Stoddard
October 1, 2010

If women spend a lot of time together, are emotionally close, or both, they are likely to find themselves sharing simultaneous menstrual cycles. If they did not have simultaneous menstrual cycles in the beginning, they will after a few months. Each woman’s cycle will move by a few days until they are getting their periods within, at most, three or four days of each other. Continue reading

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Women’s cholesterol levels vary with phase of menstrual cycle

NIH News
National Institutes of Health
August 10, 2010
NIH findings suggest a need to consider phase of cycle when measuring cholesterol

National Institutes of Health researchers have shown that women’s cholesterol levels correspond with monthly changes in estrogen levels. This natural variation, they suggest, might indicate a need to take into account the phases of a woman’s monthly cycle before evaluating her cholesterol measures Continue reading

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Menstrual Cycle Affects Hemodynamic Response to Tracheal Intubation

Released: 8/2/2010 11:00 AM EDT
Source: International Anesthesia Research Society (IARS)

Hormone Levels Affect Response to Intubation
Led by Dr. Volkan Hancı of Zonguldak Karaelmas University, Turkey, the researchers designed a study to determine the effect of the menstrual cycle on the hemodynamic response to tracheal intubation in 62 healthy women. Continue reading

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Effect of the Menstrual Cycle and Hormonal Contraceptives on Human Papillomavirus Detection in Young, Unscreened Women

American College of Obstetrics and Gynecology
July 2010

OBJECTIVE: To estimate the effect of the menstrual cycle
and oral contraceptive pill (OCP) use on the prevalence,
incidence, and persistence of human papillomavirus. Continue reading

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Circadian clockwork takes unexpected turns

One group of neurons follow a different pattern than others that guide the brain’s master clock

Science News
By Tina Hesman Saey
Web edition : Thursday, October 8th, 2009

Cells in the suprachiasmatic nuclei, a tiny group of neurons in the hypothalamus, serve as a master clock to regulate the body’s circadian rhythms — daily fluctuations in hormone release, body temperature, blood pressure and other processes — and help set meal and bed times. The cells follow a predictable daily pattern, firing electrical signals faster during the day and quieting at night. Or so scientists thought.
Continue reading

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The constant oscillation of life

Ethipolanet.com Wednesday, November 11, 2009 On a cosmic scale, most bodies oscillate. Stars and planets rotate (which is a kind of oscillation). Observing the spots on the sun some 400 years ago, Galileo first made the discovery that our star … Continue reading

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Cancer Survivors-Optimal Health Tip – Rhythm and Regularity – Are Your 2 Allies in Your Recovery

Daily Health Care
Published By admin on July 11, 2010

The human body functions at its best when order is established: it follows a certain rhythm and cycles, therefore introducing rhythm and regularity in your life is one of the best strategies towards cancer recovery. Continue reading

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Study Concludes Mild Stress and Social Activities Could Reduce Cancer

Tech Jackal

July 9, 2010

New research study conducted at the Ohio State University Comprehensive Cancer Center shows social activities and related stress may help reduce cancer growth. Mental stimulation caused by stress related activities affects the nervous system pathways to inhibit fat cells from releasing a hormone called leptin. The release of the hormone generally decreases appetite. Continue reading

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How Does Your Brain Keep Track of Time?

A new finding challenges conventional wisdom about the mind’s internal clock

Scienceline
By Mike Orcutt | Posted February 22, 2010

Researchers have found some misbehaving neurons in the part of the brain that tells time. The startling discovery could change how neuroscientists think about the brain’s influence on the body’s biological rhythms, and has raised questions about the very definition of a functioning neuron. Continue reading

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Female Hormones

Psychology Today

Health Matters

Women have twice the frequency of depression as men.
Published on April 14, 2010

Women have twice the frequency of depression as men, and are more vulnerable to many psychiatric disorders between puberty and menopause. Menopause and the post partum are time of high vulnerability for women. Women are more likely to be hospitalized or jailed in the days just before menstruation begins. Continue reading

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