Tag: "male" at biology news
Facial attraction -- choice of sexual partner shaped the human face
...cheeks and their eyebrows. The shorter and broader male
face has also evolved alongside and the canine teeth have shrunk, so men look less threatening to competitors, yet attractive to mates. At puberty, the region between the mouth and eyebrows, known as upper facial height, develops differently in men...
Risk of common vaginal infection linked to preterm birth appears higher for blacks
... women, 129 (39.7 percent) were white female/white male
partnerships, 35 (10.8 percent) were white female/black male
couples, 12 (3.7 percent) were black female/white male
couples, and 149 (45.9 percent) were black fe...
No evidence that widely prescribed statins protect against prostate cancer
...ping prostate cancer by reducing production of the male
hormones that fuel cancer growth. Researchers fr...t doesnt appear to be working through reduction of male
hormones, Statins lower cholesterol and are commonly prescribed to treat and prevent heart disea...
Study finds gender differences in renal and other genes contributing to blood pressure
... they sampled age-matched Caucasian Americans (611 male
and 656 female) within the top and bottom fifth percentile of blood pressure against blood pressure measured in more than 53,000 people during routine health exams in a major health maintenance program in Southern California. This approach provides ...
Cardio exercise benefits in male vs. female hearts
...e clear. A new study examining chronic exercise in male
and female mice finds that moderate long-term exer... effects of estradiol and testosterone (female and male
hormones, respectively) on pathologic hypertrophy, but very little research has been conducted on th...
Testosterone replacement therapy: How safe for aging men?
...g. More recently, testosterone (the most important male
hormone) supplements have been used by aging men t... significantly higher in testosterone-supplemented male
SHR as compared with intact rats, whereas castration did not alter blood pressure levels. Testoster...
Female gender provides an advantage in renal diseases
...ill uncertain, but the distinct characteristics of male
and female kidney size, along with diet and the presence of hypertension, have all been thought to play a part. Sex hormones (estrogen, testosterone) have also thought to contribute to the differences, as hormones may influence the body's responses t...
Sugar and spice and everything nice: Health differences in newborn girls and boys
... role. The researchers used 20 young (3-5 days) male
(n=7) and female (n=13) Yorkshire piglets to exami...udies have shown that, compared to males receiving male
livers, males receiving female livers experience a higher incidence of early complications and almos...
Research aims to identify markers for menopausal women at risk for deadly blood clot
...n carry the female hormone estrogen as well as the male
hormone testosterone, some of the findings from the female KEEPS study may shed light on these mechanisms involving men. Conclusion According to Dr. Miller, This type of research brings us closer to defining risk profiles for a specific health...
The 'female advantage' in kidney disease does not extend to diabetic women
...al disease at levels generally associated with her male
counterpart" Researchers at Georgetown University's Center for the Study of Sex Differences in Health, Aging and Disease have been studying the phenomenon and have identified a novel observation to help explain why. The leader of this research team ...
Macho men are seen as bad choice for long-term love
...n and women to judge digitally altered pictures of male
faces made to look more masculine or feminine. The participants were asked to predict personality traits including sexual behaviour and parenting skills based on what they saw. Men with masculine faces, with features such as a square jaw, larger...
Genetic factors strongly shape how peers are chosen
...ined peer group deviance among approximately 1,800 male
twin pairs from mid-childhood to early adulthood, ...found that genetic factors increasingly impact how male
twins make choices as they mature and develop their own social groups. The road from genes to exte...
Satellite tracking will help answer questions about penguin travels
...k of Aug. 20, the scientists will select six adult male
penguins from rehabilitation centers at San Clemen...rsma said. After its mate arrives, a male
fasts until the female lays two eggs, then he returns to the ocean to feed, sometimes swimming hundr...
Disabling a sensory organ prompts female mice to act like male mice
...esearchers has prompted female mice to behave like male
mice in the throes of courtship. The finding, re...ch as aggression and courtship, are similar in the male
and female brain. According to the new study, the sexual behaviors of female mice, at least, are rul...
A sensory organ, not the brain, differentiates male and female behavior in some mammals
... that might drive the dramatic differences between male
and female behavior. Now biologists at Harvard Uni...s the vomeronasal organ, lead female mice to adopt male
behaviors such as mounting and pelvic thrusting while abandoning female behaviors such as nesting an...
Discovery of new protein could provide new understanding of male fertility
...testis, which could provide a new understanding of male
fertility. We essentially found that cleanup i...like to investigate a potential role for UBE1L2 in male
fertility and determine why the enzyme is more highly expressed in testes than in ovaries....
U-M researchers find family of 'on switches' that cause prostate cancer
...le, four of the genes are regulated by androgen, a male
sex hormone known to fuel prostate cancer. Androgen deprivation is a common therapy for prostate cancer. Knowing which gene fusion is involved in an individual patients tumor could impact treatment options. If an androgen-regulated gene is involved...
High rates of HIV infection documented among young Nepalese girls sex-trafficked to India
...he youngest trafficked girls. Previous research on male
brothel clients in India suggests that these men p...r, the authors specify that approaches oriented to male
clientele that reduce the demand for sex from young prostituted girls must be emphasized. Just as ...
MGH researchers confirm that bone marrow restores fertility in female mice
...eams work in females, bone marrow cells from adult male
mice or from men can be coaxed to make immature sperm cells, both in lab dishes and after transplantation into the testes. Clearly, something is going on here regarding the ability of stem cells in bone marrow to produce immature egg and sperm cells...
Rare example of Darwinism seen in action
...ent support for the theory of conflict between the male
and female genetic material in producing offspring. In most animals, the male
provides his genetic material for the offspring and leaves. The mother has a more intimate relations...
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