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Scientists have gained new insights into how the ‘master regulator’ of reproduction affects men’s brains. In a new study, scientists from Imperial College London investigated how a recently discovered hormone called kisspeptin alters brain activity in healthy volunteers. The hormone, known as the master regulator of reproduction, not only has a crucial role in sperm […]
(HealthDay)—For older Korean women, handgrip strength is positively associated with pulmonary function, according to a study published in the July issue of the Journal of the American Geriatrics Society. Da-Hye Son, M.D., from Yonsei University College of Medicine in Seoul, South Korea, and colleagues conducted a cross-sectional study of a representative sample of 605 community-dwelling […]
Scientists have long known that circulating tumor cells, rare cancer cells that are released into the bloodstream, have the potential to provide vital information about a person’s specific cancer. But until now, they have been unable to reliably access information on how these cells behave. UCLA researchers have created a quick and effective mechanism to […]
Obesity leads to cognitive impairment by activating microglial cells, which consume otherwise functional synapses in the hippocampus, according to a study of male mice published in JNeurosci. The research suggests that microglia may be a potential therapeutic target for one of the lesser known effects of this global health epidemic on the brain. Nearly two […]
A study in adolescent girls reports that recent life events impact depressive symptoms differently, depending on how the brain responds to winning and losing. A strong brain response to winning boosted the beneficial impact of positive experiences on symptoms, whereas a strong response to losing enhanced the detrimental impact of negative experiences on symptoms. The […]
Immune activation and inflammation persist in the majority of treated HIV-infected individuals and is associated with excess risk of mortality and morbidity. A new study by Boston University School of Medicine (BUSM) researchers suggests that use of HIV RNA expression inhibitors as adjunct therapy might diminish atypical inflammation and restore immune function in HIV-infected individuals […]
A new study finds that long-term heat therapy may increase mitochondrial function in the muscles. The discovery could lead to new treatments for people with chronic illness or disease. The study—the first of its kind in humans—is published ahead of print in the Journal of Applied Physiology. Mitochondria, the “energy centers” of the cells, are […]