Hormone News and Research

RSS

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.

Insight into how marajuana induced munchies works

Marijuana--or more specifically its active ingredient, tetrahydrocannabinol--has a well-documented tendency to stimulate hunger. And while scientists have traced this property to cannabinoid receptors in the brain, they have had little understanding of the neural circuitry underlying this effect.

22 Dec 2005

Study finds light sensing cells develop before vision

Investigators at Washington University School of Medicine in St. Louis have found that cells making up a non-visual system in the eye are in place and functioning long before the rods and cones that process light into vision.

22 Dec 2005

Magnesium intake positively associated with bone density

Intake of magnesium through diet and supplements is positively associated with bone density throughout the whole body, particularly in older white adults, according to research published in the Journal of the American Geriatrics Society.

21 Dec 2005

Synthetic compound could arrest development of Alzheimer's

Spanish chemists have developed a promising set of synthetic compounds that one day could help slow or perhaps halt the progression of Alzheimer's disease and other neurological disorders.

21 Dec 2005

Earlier hormone therapy trial scared women - but it was wrong!

According to new research the widely publicised 2002 study which apparently proved that hormone replacement therapy raised the risk of heart disease and breast cancer, was fundamentally flawed.

19 Dec 2005

Lupus patients safe to go back on the pill

Two new studies confirm that women who suffer from lupus, a chronic disease that can lead to inflamed kidneys, can safely take oral contraceptives without fear that the pill will worsen their condition.

19 Dec 2005

Breast cancer survival rate boosted by radiotherapy

According to a new study breast cancer patients who have radiotherapy after breast-conserving surgery have a lower risk of a recurrence of the disease and a better chance of beating the illness.

19 Dec 2005

Aromatase inhibitors may slow growth of lung cancer

A few years ago researchers discovered that, much like breast tumors, some lung tumors also thrive on estrogen. Now a medical student conducting research on a Howard Hughes Medical Institute (HHMI) fellowship and colleagues have managed to stop the growth of human lung cancer cells in mice with a class of breast cancer drugs called aromatase inhibitors.

15 Dec 2005

More good news - Femara helps prevent the return of breast cancer

In more good news for women suffering from breast cancer a study by the the Swiss drugmaker Novartis has shown that their drug Femara benefits women with hormone-sensitive early breast cancer.

14 Dec 2005

Diets bad for your mental health

British psychologists say that skinny people are more likely to be unhappy and commit suicide than those who are overweight.

14 Dec 2005

Iodine intake may play a part in teen-age acne

Dermatologists seem to agree that something in milk and dairy products may be linked to teen-age acne.

13 Dec 2005

Perimenopause critical for preventing heart disease and osteoporosis

Research in monkeys suggests that the perimenopause - the five to 10 years before a woman's menopause - is a critical time for preventing heart disease and osteoporosis.

13 Dec 2005

NHS under pressure to provide new breast cancer drugs

The National Health Service in the UK is being put under considerable pressure by Cancer charities to widen access to a promising new class of breast cancer drug as new evidence suggests the latest treatment is far superior to Tamoxifen, the long established premier drug for women with the early stage of the disease.

12 Dec 2005

Understanding obesity in humans

A new study by researchers at UT Southwestern Medical Center suggests that when fat cells increase in size - as they do during the development of obesity - the cells progressively lose receptors for the hormone leptin, a powerful stimulus for fat burning.

7 Dec 2005

Garvan scientists explain stress and sickness

Garvan Institute scientists have discovered how a hormone, known as neuropeptide Y (NPY), can prevent our immune system functioning properly, paving the way for two new major opportunities for therapeutic intervention.

7 Dec 2005

Subclinical hypothyroidism associated with increased risk of congestive heart failure

A hormonal condition known as subclinical hypothyroidism is associated with an increased risk of congestive heart failure among older adults, but not with other cardiovascular events and death, according to a study in the November 28 issue of Archives of Internal Medicine.

7 Dec 2005