![]() But a small minority of men are sexually attracted to other age groups, from infants to the elderly. Most men are sexually attracted to sexually mature young adults. But the description is representative of stories I’ve heard from the hundreds of individuals I’ve talked with as a psychologist and researcher over the past 25 years. Smith is actually a case composite from my first book on pedophilia. He later admitted he’d been attracted to boys since his own adolescence. He initially denied the charge, but eventually admitted to sexually abusing multiple youth. Smith was a 27-year-old man referred for psychological treatment after sexually offending against a 13-year-old boy. Additionally, they will examine whether using "night light" mobile device capabilities that minimise blue light will lessen the impacts seen in the rat model.ĭespite the lack of proof, Dr Aylin Kilinc Uurlu added, “we would advise limiting the usage of blue light emitting devices in pre-pubertal children, especially at night when exposure may have the most hormone-altering effects.Mr. Since the cell damage and inflammatory consequences associated with prolonged blue light exposure have the potential to have long-term repercussions on reproductive health and fertility, the team plans to look into these implications. ![]() Therefore, despite the study's limitations, these findings are in favour of future research into the potential effects of blue light exposure on hormone levels and the start of puberty in young people. Although it is challenging to simulate in rats the same levels of blue light exposure as a child using a tablet, the age at which rats reach puberty is fairly comparable to that of humans when taking into account the shorter lifespan of rats.įemale rats go through similar hormonal and ovulation changes as humans during pre-puberty and puberty. Additionally, the sooner they start, the longer the exposure.ĭespite the fact that Dr Aylin Kilinc Uurlu warned, “since this was a rat study, we cannot be certain that these findings would be duplicated in children," the data point to blue light exposure as a potential risk factor for earlier puberty onset. We have discovered that blue light exposure, which is sufficient to change melatonin levels, is also capable of changing reproductive hormone levels and causing earlier puberty onset in our rat model, said Dr Aylin Kilinc Uurlu. Rats exposed for 12 hours also exhibited some evidence of ovarian inflammation and cell damage. ![]() These alterations are all consistent with the start of puberty. In addition, rats exposed to blue light saw morphological changes in their ovarian tissue, decreased melatonin levels, and higher levels of two particular reproductive hormones (oestradiol and luteinizing hormone). The longer the duration of exposure, the earlier the beginning of puberty. ![]() Three groups of six female rats each received either a normal light cycle, six hours of blue light, or twelve hours of blue light.īoth groups were exposed to blue light, and both groups' first signs of puberty started noticeably earlier. However, evaluating this in kids is quite challenging and researchers from Ankara, Turkey, Dr Aylin Kilinc Uurlu and colleagues, used a rat model to examine the effects of blue light exposure on levels of reproductive hormones and the timing of puberty development. Notably, several studies in recent years have reported an increase in the beginning of early puberty in girls, particularly during the Covid-19 epidemic and the increased screen time, as that experienced during the pandemic restrictions, may be contributing to this reported rise, as the relationship between blue light exposure and reduced melatonin levels suggests, the report said.
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