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Men experience sexual dysfunction at testosterone levels of below 300 ng/dL, with men that have levels of testosterone of approximately 200 ng/dL often experiencing such problems. [28] Complete loss of testicular testosterone production resulting in testosterone levels within the castrate range (95% decrease, to 15 ng/dL on average) with ...
Oxytocin is a peptide hormone and neuropeptide normally produced in the hypothalamus and released by the posterior pituitary. [4] Present in animals since early stages of evolution, in humans it plays roles in behavior that include social bonding, love, reproduction, childbirth, and the period after childbirth.
The oxytocin receptor, also known as OXTR, is a protein which functions as receptor for the hormone and neurotransmitter oxytocin. [4] [5] In humans, the oxytocin receptor is encoded by the OXTR gene [6] [7] which has been localized to human chromosome 3p25. [8] Evolutionary tree of the oxytocin, vasotocin, mesotocin and isotocin receptors and ...
In one study of men aged 65 years and over, those with lower testosterone levels experienced reduced sleep efficiency, woke up more in the middle of the night, and had less time in slow-wave sleep ...
The researchers looked at 181 potential risk factors, and then estimated how likely they are to predict dementia and cognitive impairment for people two, four, and 20 years after they turn 60.
Testosterone levels peak between 3 a.m. and 8 a.m. for men with traditional sleep patterns, Dr. Patel says. When you don’t get enough sleep , a situation many Americans are chronically in , your ...
Zak suggests that intimate contact, using social ritual and social media such as using Twitter and Facebook raises oxytocin levels. [ 19 ] [ 20 ] He is a frequent public speaker on the neuroscience of daily life, including morality, storytelling, and organizational culture and writes articles for magazines and trade publication on these topics.
The amount you drank decades ago, or even a few years ago, might hit different now. Your sensitivity to hangovers tends to increase with time, probably because inflammation increases with aging ...