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Tag: "fathers" at biology news

How the environment could be damaging men's reproductive health

...as the father's weight; babies born to underweight fathers (body mass index less than 20kg/m2) were six times more likely to have undescended testes. However, Dr Jorgensen said: "This finding should be treated with caution because the number of cases was rather low and only larger studies will be able to sh...

Divergent mating systems and parental conflict as a barrier to hybridization in flowering plants

...e best suited father from a larger pool, while all fathers have an interest in being picked. After fertilization, fathers have an interest in maximizing maternal investment in their progeny, while mothers will have an inte...

Rutgers researchers scientifically link dancing ability to mate quality

...evaluators rated symmetric men. "In species where fathers invest less than mothers in their offspring, females tend to be more selective in mate choice and males therefore invest more in courtship display," Brown said. "Our results with human subjects correlate with that expectation. More symmetrical men pu...

Does father know best?

...me studies have suggested that up to 10 percent of fathers are not the biological parents of their alleged child, but little is known about how this differs across cultures and to what extent men's paternity assessments reflect actual biological paternity. "The issue of paternity--whether a man really is ...

MUHC announces a transplant first in Quebec

... so thankful that I will now be able to enjoy this fathers day with my three sons." "As a comprehensive Multi-Organ Transplant Program, we are accustomed to collaborating with other institutions across Quebec and other provinces for this form of highly specialized patient care," says Dr. Renzo Cecere, Surg...

Newborn screening can cause unnecessary parental stress

...stment for socioeconomic factors, both mothers and fathers in the false-positive group had higher scores on the standardized Parenting Stress Index (PSI); 11 percent of mothers (versus no mothers in the comparison group) scored in the clinical range, in which treatment might be prescribed. Waisbren and Guri...

Very low birth weight linked to reduced quality of life in pre-school children

... Council. 57 per cent were boys. 252 mothers, 33 fathers and three other caregivers took part in the questionnaire-based study, which was carried out using a Mandarin language version of a quality of life instrument developed in the Netherlands. The 118 very low birth weight children were less than 1500g...

Queen bee promiscuity boosts hive health

...genetically diverse colonies derived from multiple fathers were significantly less affected by the disease several months later. The findings have implications for beekeepers, whose honeybees bring revenues of about $20 billion a year in the United States for pollinating services. Beekeepers could boost th...

Older fathers more likely to have autistic children

...utism spectrum disorders compared with those whose fathers are younger than 30 years, according to an article... of autism spectrum disorders. Advancing age among fathers was associated with increased risk of autism. This association persisted after the researchers cont...

Mother knows best: Plant knowledge key to childhood health in remote Amazon

...to-ten year-olds and interviewed their mothers and fathers to assess their ethnobotanical skills and knowledge. Researchers looked at three measures of child health: their immune function, as measured in C-reactive protein levels; skinfold thickness, to estimate fat stores, and height-for-age, to assess stun...

Egyptians, not Greeks were true fathers of medicine

...ent Greeks, particularly Hippocrates, as being the fathers of medicine but our findings suggest that the ancient Egyptians were practising a credible form of pharmacy and medicine much earlier," said Dr Jackie Campbell. "When we compared the ancient remedies against modern pharmaceutical protocols and sta...

Philandering female felines forgo fidelity

... project leader. “In fact, we now know many of the fathers exist outside the park and study area. This is a f...a had been sampled. At least some of these missing fathers undoubtedly resided outside the study area. The findings corroborate established studies on rangi...

Male circumcision overstated as prevention tool against AIDS

...ious families in the north, specifically concerned fathers and brothers, do a much better job protecting their daughters from predatory males than do those in the south. A history of polygamy in these Muslim communities does not appear to contribute to hi gher AIDS prevalence as previously speculated. In a f...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...harm their fetuses, and here we show evidence that fathers can potentially damage offspring long before they may even meet their future mate.” Males, whether they are mouse or man, generate a constant supply of new sperm from self-renewing spermatogonial stem cells. Yauk, along with colleagues at Health...

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