Isolated female rats subjected to a 30-minute stressor heal faster than males
...s because of motherhood. "For example, oxytocin, a hormone secreted by females in social contexts, may function as part of an alternative stress regulatory system that facilitates wound healing," the authors wrote. Another possibility is that male and females experience stress differently, the study said. If...Depressed older adults more likely to become cognitively impaired
...epression often have elevated levels of the stress hormone cortisol. There is growing evidence that this may lead directly to brain damage in the hippocampus," a part of the brain that plays a significant role in memory and Alzheimer's disease. "It would be good to find out," she concludes....Johns Hopkins scientists exploit novel route to reverse enlarged hearts in obese mice
...or on the heart to mimic the activity of the brain hormone leptin, dramatically reducing the size of the heart muscle. Leptin is a protein hormone made by fat cells that signals the brain to stop eating. Alterations in the leptin-making gene may ...New study reveals promising osteoporosis treatment
...rosis treatments, such as bisphosphonate drugs and hormone therapies, do not effectively repair bone that has already been lost. In fact, bisphosphonates have been shown to actually inhibit bone redevelopment. Many of these treatments also have serious side effects, including increasing the risk of heart di...Many high risk patients do not receive cholesterol-lowering therapies
... kidneys that helps create angiotensin I and II, a hormone which constricts the arteries, raising blood pressure as a result. In a randomized, double-blind, multi-center, placebo-controlled study led by the Seoul National University College of Medicine in South Korea, 672 patients were randomized to 150, 300...Too much or too little sleep increases diabetes risk
...rance, insulin resistance, and lower levels of the hormone leptin leading to obesity. The mechanisms by which long sleep duration increase diabetes risk requires further investigation. "There is a lot of interest in determining whether sleep disturbances such as a reduced amount of sleep or disorders like s...Serendipity versus planning - cancer drugs of the future?
...pletely different effect, namely prevention of new hormone dependant breast cancers. Results from the MORE (The Multiple Outcomes of Raloxifene Evaluation) study of 7,705 women that were randomised to raloxifene or placebo demonstrated that among postmenopausal women with osteoporosis, the risk of invasive b...Genes and environment interact to promote cancer
... and progestin activity inside cells. The elevated hormone levels are likely responsible for the reproductive...n- or progesterone-containing medications, such as hormone therapy, oral contraceptives or tamoxifen for breast cancer." Teasing out which factors most influen...Children who sleep less are three times more likely to be overweight
...sity. "Lack of sleep lowers the level of leptin, a hormone that stimulates metabolism and decreases hunger. I...hts of sleep boost the concentration of ghrelin, a hormone that increases hunger," explains Professor Angelo Tremblay. The progression of obesity and the decre...Evidence of estrogen and progesterone hormone allergy has been discovered by Texas researchers
... response in the past, because it was thought that hormone molecules were too small to create an allergic res...gesterone combine with other proteins and that the hormone part of the molecular complex is recognized as the antigen. "We have shown that IgE antibodies, Type...Hormone can predict pulmonary hypertension and potential death or survival
Measuring levels of a hormone called brain natriuretic peptide in individuals wi...function testing, and a 6-minute walk test. BNP, a hormone produced by the heart, is activated by different cardiovascular diseases. Normally, the level of BNP...Mayo Clinic study finds two genes predict outcome for breast cancer patients
...s. More than two-thirds of all breast cancers are hormone positive, and most of these are early stage (lymph node-negative)....Transition to menopause associated with new onset of depressive symptoms
...ntervals, blood samples were obtained to determine hormone levels and trained research interviewers obtained ...ompared with when the woman was premenopausal; the hormone measures were also significantly associated with this outcome." "In summary, our data indicate that ...JCI Table of Contents, April 3, 2006
...events such as release of norepinephrine (a stress hormone involved in the "fight or flight" response) and ca...ment will occur if high levels of the male steroid hormone testosterone are present at 712 weeks, which occurs in female fetuses deficient in an enzyme called ...Researchers study whether cutting calories may help you live longer
...s of metabolic mass) associated with lower thyroid hormone concentrations; and (3) a reduction in DNA fragmentation, reflecting less DNA damage," the authors write. " longer-term studies are required to determine if these effects are sustained and whether they have an effect on human aging," the researchers...Soy foods associated with small reduction in risk of breast cancer
...er survivors. In the same way that estrogen-based hormone replacement therapy may be contraindicated for some women at high risk to develop breast cancer, soy isoflavone supplementation may not be a good idea for these women either, the researchers said. Co-author Bruce Trock, Ph.D., of the Johns Hopkins Sc...Cinnamon, cloves improve insulin function, lower risk factors for diabetes, cardiovascular disease
... disease of insulin sensitivity in which perturbed hormone levels cause difficulty in getting pregnant, among other problems), people with type 2 diabetes and the prediabetic metabolic syndrome; and people who are very obese (because Dr. Anderson believes that improving insulin function will lead to improvem...Soy intake associated with reduced risk of breast cancer
...er survivors. In the same way that estrogen-based hormone replacement therapy may be contraindicated for some women at high risk to develop breast cancer, soy isoflavone supplementation may not be a good idea for these women either, the researchers said. Co-author Bruce Trock, PhD, of the Johns Hopkins Scho...Ovary removal surgery elevates risk for dementia
...n though women with both ovaries removed are given hormone replacement therapy, Dr. Rocca says it's not for long enough for women who have the surgery at a young age. "Estrogen supplementation normally is not that long -- women receive it for five or six years, till the menopausal symptoms diminish," says D...Hormone use linked to increased breast cancer risk among black women
...rch has suggested that the long-term use of female hormone therapy is associated with an increased risk of de...naire about medical history, menopausal status and hormone use when they enrolled in the study in 1995. Follow-up questionnaires that also included questions ...