Night shift work may hinder the body's ability to repair DNA damage caused by normal cellular processes, suggests a small study published online in Occupational & Environmental Medicine.
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Insulin in the brain may help regulate the hunger sensation and improve functional connectivity in the default-mode network (DMN), as well as in the hippocampus and hypothalamus. This is the finding of a new study by researchers ...
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Discovered more than two decades ago, the hormone leptin has been widely hailed as the key regulator of leanness. Yet, the pivotal experiments that probe the function of this protein and unravel the precise mechanism of its ...
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Scientists from the University of Birmingham have discovered the link between increased male hormones and metabolic complications such as diabetes and fatty liver disease in patients with polycystic ovary syndrome (PCOS).
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Paracetamol is popular for relieving pain. But if you are pregnant, you should think twice before popping these pills according to the researchers in a new study. In an animal model, Paracetamol, which is the pain-relieving ...
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It can be confusing to know what to eat to lower your risk of breast cancer. Research is mixed, for example, on whether women should avoid soy foods, such as tofu and soybeans, or try to eat more of them. The question is ...
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A new position statement on the use of hormone therapy (HT) for menopausal and postmenopausal women from The North American Menopause Society (NAMS) has been published online today in the Society's journal, Menopause. "The ...
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(Medical Xpress)—A team of researchers with member affiliations in the U.S., France and Israel has found that a mutation in a growth hormone receptor gene can make some men live longer. In their paper published on the open ...
New published research shows millennials (ages 18-35) who regularly consume foods that contain polyunsaturated fats (PUFAs), such as walnuts, salmon and canola oil, may experience favorable changes in appetite hormones associated ...
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Stress, especially in women, is increasingly being recognized as a major risk factor for coronary heart disease, a condition in which blood vessels to the heart are blocked by plaque buildup or inflammation.
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Hormones (from Greek ὁρμή - "impetus") are chemicals released by cells that affect cells in other parts of the body. 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. All multicellular organisms produce hormones; plant hormones are also called phytohormones. Hormones in animals are often transported in the blood. Cells respond to a hormone when they express a specific receptor for that hormone. The hormone binds to the receptor protein, resulting in the activation of a signal transduction mechanism that ultimately leads to cell type-specific responses.
Endocrine hormone molecules are secreted (released) directly into the bloodstream, while exocrine hormones (or ectohormones) are secreted directly into a duct, and from the duct they either flow into the bloodstream or they flow from cell to cell by diffusion in a process known as paracrine signalling.
This text uses material from Wikipedia, licensed under CC BY-SA
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