Hormone News and Research

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A hormone is a chemical released by one or more cells that affects cells in other parts of the organism. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another.

Fewer fats could be the key to boosting male fertility

A diet low in fat and high in egg whites could be the key to boosting male fertility according to a new pilot study.

23 Dec 2019

Scientists successfully cultivate and characterize corpus luteum cells of cats

The reproduction of lynxes is highly mysterious. Unlike other wild cats, most lynxes are only receptive for a few days once a year.

20 Dec 2019

Penn researchers use MRI scans to predict 10-year breast cancer recurrence

Diverse diseases like breast cancer can present challenges for clinicians, specifically on a cellular level. While one patient's tumor may differ from another's, the cells within the tumor of a single patient can also vary greatly.

19 Dec 2019

Powdered watermelon supplements provide health benefits to obese mice

Eating watermelon in the form of powdered supplements helped adult obese mice avoid some detrimental health effects of an unhealthy diet, according to a new Oregon State University study.

19 Dec 2019

Artificial 'inclusion bodies' developed for sustained release of therapeutic proteins

Precision medicine is becoming increasingly important, achieving to create more efficient personalized therapies for each patient and innovative pharmacological developments.

19 Dec 2019

New review provides guidance to address gaps in transgender health care

One of the biggest barriers to care for transgender individuals is a lack of knowledgeable providers.

19 Dec 2019

Heavy drinking damages the heart

Drinking too much destroys the liver, as is well known. A new study published in the Journal of the American Heart Association on December 18, 2019, shows that excessive alcohol consumption also damages the heart muscle. This is seen by a rise in the level of certain biological molecules in the blood.

18 Dec 2019

Blue light may not be so bad for sleep

The sun provides warmth and a bright light with orange-yellow hues during the day. But at night, cold, dim, and white light from the Moon, which exposes people to light similar to blue wavelengths emitted by various types of artificial lighting. Previously, blue light has been dubbed as disruptive to a good night’s sleep.

18 Dec 2019

Scientists develop computationally inspired method for preclinical study of anxiety

Nearly 40 million people in the U.S. have an anxiety disorder. While treatment options exist, treatment success varies, and many people do not respond to treatment until weeks or months after they begin anti-depressants

18 Dec 2019

Concussion among college students more likely off sports field than on

Concussion rates among college students are higher than previously thought and are more likely to happen off the sports field.

18 Dec 2019

New analysis finds link between air pollution and depression, suicide risk

People exposed to higher levels of air pollution are more likely to experience depression or die by suicide, finds a new analysis led by UCL.

18 Dec 2019

High-fat meal can silence gut's communication with the body, study shows

A high-fat meal can silence communication between the intestine and the rest of the body, according to a new Duke University study in zebrafish.

17 Dec 2019

Study shows the effect of obesity on routine blood tests in children

Weight may affect doctors' ability to correctly interpret routine blood tests in children, according to new research published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

17 Dec 2019

Sustained weight loss associated with reduced risk of breast cancer, shows study

A large new study finds that women who lost weight after age 50 and kept it off had a lower risk of breast cancer than women whose weight remained stable, helping answer a vexing question in cancer prevention.

17 Dec 2019

What and why every woman needs to know about dense breasts

Two new state laws targeting breast cancer screenings and dense breasts have been passed in Illinois since 2018.

17 Dec 2019

Penn researchers track defective sperm epigenome linked to male infertility

One out of eight couples has trouble conceiving, with nearly a quarter of those cases caused by unexplained male infertility. For the past decade, research has linked that infertility to defective sperm that fail to "evict" proteins called histones from DNA during development.

16 Dec 2019

Important discovery about male infertility could lead to new treatments

Using a new mouse model, Penn Medicine researchers have identified defects in the sperm epigenome that cause male infertility.

16 Dec 2019

Rutgers expert shares tips on how to minimize jet lag, sleep disruptions during the holidays

With shorter daylight hours, stress and travel to different time zones, the holiday season can disrupt our circadian rhythm and create sleep difficulties – making it even harder to avoid stress, enjoy time with family, and finally return to work.

14 Dec 2019

Patient-reported outcomes linked to aromatase inhibitor adherence

If you want to predict which breast cancer patients will most likely stop taking aromatase inhibitors, check out their own responses to the health questions patients commonly answer in cancer clinical trials, according to research findings to be presented Friday, Dec. 13 at the San Antonio Breast Cancer Symposium.

13 Dec 2019

Research reveals how skeletal muscle communicates with the brain regarding feeding behavior

The brain determines when it is time to feed - but how does it know? Findings from St. Jude Children's Research Hospital provide new understanding of how the brain orchestrates this process.

12 Dec 2019