Semen News and Research

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Semen is an organic fluid, also known as seminal fluid, that usually contains spermatozoa. It is secreted by the gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize female ova. The process of discharge is called ejaculation.

Sperm from diabetic men have greater levels of DNA damage which may affect their fertility

In the first study to compare the quality of DNA in sperm from diabetic and non-diabetic men, researchers at Queen’s University Belfast showed that the DNA in the nuclei of the sperm cells had greater levels of fragmentation in diabetic men, and that there were more deletions of DNA in the tiny, energy-generating structures in the cells called mitochondria.

8 May 2007

Diabetes damages DNA in men's sperm and may affect fertility

Scientists have found that sperm from diabetic men have greater levels of DNA damage than sperm from men who do not have the disease.

4 May 2007

Maternal beef consumption associated with lower sperm concentration

New research has shown that women who ate a lot of beef while pregnant had sons who were more likely to suffer from poor sperm quality as adults, and it suggests that the growth promoters used in cattle may play a role in these men's reduced fertility.

2 Apr 2007

Mother's high beef consumption while pregnant associated with lower sperm counts in her son

Researchers sought to examine the relationship between semen quality and long-term risks from growth hormones and other chemicals in beef.

28 Mar 2007

Exposure to phthalates linked to abdominal obesity and insulin resistance in adult males

Exposure to phthalates, a common chemical found in everything from plastics to soaps, already has been connected to reproductive problems and now, for the first time, is linked to abdominal obesity and insulin resistance in adult males, according to a study by the University of Rochester Medical Center.

14 Mar 2007

Obese couples are less fertile

According to Danish researchers being obese can hinder conception and this is especially true if both partners are overweight.

8 Mar 2007

California Sen. Carole Migden introduces bill to allow HIV-positive men to use reproductive services

California Sen. Carole Migden (D) recently introduced a bill (SB 443) that would allow HIV-positive men to use reproductive services, including artificial insemination and in vitro fertilization, under certain guidelines, the MediaNews/San Jose Mercury News reports.

8 Mar 2007

Vasectomy and trouble with words

Northwestern University researchers have discovered men with an unusual form of dementia have a higher rate of vasectomy than men the same age who are cognitively normal.

13 Feb 2007

Sniff of male sweat kick starts female hormones

According to a new study all a healthy heterosexual woman needs to give their hormone levels a kick start is the smell of a man's sweat.

8 Feb 2007

Men with increased body mass index significantly more likely to be infertile

Men with increased body mass index (BMI) were significantly more likely to be infertile than normal-weight men, according to research conducted at the National Institute of Environmental Health Sciences (NIEHS).

4 Sep 2006