HIV prevention could be boosted by STI testing

Sexually transmitted infections can make HIV transmission more likely, undermining the prevention benefit of HIV treatment.

Stress linked to male fertility

It is well known that stress can influence health. But now, new research suggests stressful life events may reduce semen quality, which may have implications for male fertility.

Stress linked to male fertility

It is well known that stress can influence health. But now, new research suggests stressful life events may reduce semen quality, which may have implications for male fertility.

Circumcision linked to reduced risk of prostate cancer in some men

Circumcision is performed for various reasons, including those that are based on religion, aesthetics, or health.

'Slut discourse' used by high-status co-eds to assert class advantage

A new study suggests that high-status female college students employ "slut discourse" - defining their styles of femininity and approaches to sexuality as classy rather than trashy or slutty - to...

Study may explain how sperm travel long distances, through difficult terrain, to reach an egg

Like salmon traveling upstream to spawn, sperm cells are extremely efficient at swimming against the current, according to research to be published this week.

Infertility: is it primarily seen as a woman's problem?

In 40% of all infertile couples, the male partner is the main cause or contributing cause of infertility. But is infertility primarily seen as a woman's issue? We investigate.

Lifelong maintenance and protection necessary in male and female sex cell determination

The way in which the sex of an organism is determined may require lifelong maintenance, finds new research from the University of Minnesota.

Psychological consequences greater than previously thought for victims of repeated sexual assault

According to recent studies, one in five adult women and one in 100 adult men have reported being raped.

Reducing risky alcohol use among men

The workplace can provide an ideal environment to implement support, well-being, and testing interventions aimed at reducing risky alcohol use among men.

Women's feelings should be taken into account when men suffer premature ejaculation

Premature ejaculation is one of the most common sexual disorders in men. But it is not just the men who suffer; it also causes increased psychological strain and stress in women, as a new survey...

Women's feelings should be taken into account when men suffer premature ejaculation

Premature ejaculation is one of the most common sexual disorders in men. But it is not just the men who suffer; it also causes increased psychological strain and stress in women, as a new survey...

Early steps of totipotency in sperm precursors uncovered

In the body, a skin cell will always be skin, and a heart cell will always be heart.

Ocular sarcoidosis an increased risk for male smokers

Cigarette smoking and male sex are significant risk factors for developing ocular sarcoidosis, according to a new study presented at the 2014 American Thoracic Society International Conference.

Metabolic syndrome disorders, diet may boost prostate cancer risk

Three new studies featuring the impact of dietary and lifestyle factors on prostate cancer were presented during the 109th Annual Scientific Meeting of the American Urological Association (AUA).

Brain steroids in bluebanded gobies make for good dads

Testosterone in males is generally associated with aggression and definitely not with good parenting.

Two thirds of healthy American adults 'infected with HPV,' study suggests

Research led by the NYU Langone Medical Center in New York suggests that around two thirds of Americans are infected with one or more of 109 human papillomavirus (HPV) strains.

New studies highlight benefits and risks of testosterone therapy

Three new studies examining the predictors, effects and durability of testosterone therapy on men were presented at the 109th Annual Scientific Meeting of the American Urological Association (AUA).

IMDx receives FDA clearance for IMDx HSV-1/2 for Abbott m2000 assay

IMDx has announced that it has received FDA clearance for the IMDx HSV-1/2 for Abbott m2000 assay, a test that detects and differentiates Herpes Simplex Virus type 1 (HSV-1) and type 2 (HSV-2) DNA...

Dogs 'sniff out prostate cancer with 98% accuracy,' study finds

New research finds that two highly trained dogs were able to detect prostate cancer in human urine samples with up to 98% accuracy, opening the doors for a new screening method.

Study links male infertility to mortality

Men who are infertile because of defects in their semen appear to be at increased risk of dying sooner than men with normal semen, according to a study led by a researcher at the Stanford University...

Male infertility linked to increased mortality

Men with two or more semen abnormalities are more likely to have a shorter lifespan, compared with men who do not have such defects, according to new research.

Contraception changes affect relationships

Women's sexual satisfaction in long-term heterosexual relationships may be influenced by changes in hormonal contraceptive use, research from the University of Stirling shows.

Male ex-prisoners at increased mortality risk

Men who have been incarcerated and released are more than twice as likely to die prematurely as those who have not been imprisoned, according to a new study published by Georgia State University...

Protein discovered that controls DNA organization during sperm development

Infertility is generally thought of as a woman's problem. In fact, more than 3 million men across America also experience it.

New possibilities for personalized medicine: patient stem cells used to make 'heart disease-on-a-chip'

Harvard scientists have merged stem cell and 'organ-on-a-chip' technologies to grow, for the first time, functioning human heart tissue carrying an inherited cardiovascular disease.

Prostate cancer treatment: 'no benefit for older patients with other health problems'

One of the most common cancers among men, prostate cancer has different treatment options. New study suggests older patients with other health issues do not benefit from treatment.

Men from ethnic minorities take longer to recover from mental illness, study finds

Men from minority ethnic groups experiencing mental health problems in the UK take longer to recover than white men as they are more reluctant to seek professional help, according to research at...

Shorter men live longer: Honolulu-based study

Short height and long life have a direct connection in Japanese men, according to new research based on the Kuakini Honolulu Heart Program (HHP) and the Kuakini Honolulu-Asia Aging Study (HAAS).

Significant improvement in ADHD symptoms in male adults - phase 2a trial

Neurovance, Inc. has announced complete results from its phase 2a pilot study of EB-1020 SR, a non-stimulant, in adult male patients with all subtypes of ADHD (attention deficit hyperactivity...

Toothpaste, sunscreen chemicals 'interfere with sperm function'

For the first time, a team of researchers has shown a direct link between exposure to endocrine-disrupting chemicals from industrial products and adverse effects on sperm function.

Common drug restores blood flow in Duchenne muscular dystrophy

Cedars-Sinai Heart Institute researchers have found that a commonly prescribed drug restores blood flow to oxygen-starved muscles of boys with Duchenne muscular dystrophy, a genetic muscle-wasting...

Starting exercise at 40 'has same heart benefits as earlier training'

The age of 40 may not be too late to begin exercising. Researchers found that starting exercise at this age poses the same heart benefits as it would if started at an earlier age.

Research studies likely compromised by black male incarceration

Federal restrictions on including prisoners in medical research have negatively impacted research involving black men, who are disproportionately imprisoned, according to a study by Yale School of...

Maternity leave often cut short by women who experienced unintended pregnancies

According to a study led by Dr. Rada K. Dagher, assistant professor of health services administration at the University of Maryland School of Public Health, mothers in the United States who have...

Voluntary medical male circumcision for HIV prevention: an unprecendented public health intervention

With new HIV infections in Sub-Saharan Africa occurring at a rate of 2.3 million each year, a new PLOS Collection, featuring original research published in PLOS Medicine and PLOS ONE, presents...

No credible evidence to support cardiac risk of testosterone therapy

Recent articles in the scientific literature and mass media that question the use of testosterone (T) therapy to treat T deficiency, or "low T," and assert the cardiovascular risks of T therapy, are...

Recovery time after concussion may be longer for men

A study of concussion patients using diffusion tensor imaging (DTI) found that males took longer to recover after concussion than females did.

Erectile dysfunction drug may help treat Duchenne muscular dystrophy

Drugs commonly used to treat erectile dysfunction and pulmonary arterial hypertension - sildenafil and tadalafil - could help treat Duchenne muscular dystrophy, a new study finds.

Higher mortality rate found in lean patients with fatty liver disease

Despite being of a healthier weight, lean patients with nonalcoholic fatty liver disease (NAFLD) have a higher overall mortality rate than patients with NAFLD who are overweight or obese, according...

Low transmission rates of oral cancer linked to HPV among long-term partners

Partners of patients diagnosed with human papilloma virus (HPV)-positive oropharyngeal cancer (OPC) were no more likely to test positive for oral HPV infection than people in the general population...

Low testosterone levels may indicate worsening of disease for men with low-risk prostate cancer

For men with low-risk prostate cancer, low levels of testosterone may indicate a worsening of their disease. That's the conclusion of a new study published in BJU International.

Converting skin cells into sperm

Stem cells made from the skin of adult, infertile men yield primordial germ cells - cells that normally become sperm - when transplanted into the reproductive system of mice, according to researchers...

Sniffing out human sex pheromones

The human body produces chemical cues that communicate gender to members of the opposite sex, according to researchers who report their findings in the Cell Press journal Current Biology.

First study of cases of STIs in under-13s suggests majority are result of sexual abuse

The first comprehensive population based study of the rate of new cases of sexually transmitted infections presenting in children under thirteen years of age has been published in Archives of...

Vitamin D deficiency may predict aggressive prostate cancer

New research has found that men with low levels of vitamin D, particularly African-American men, may be at increased risk of aggressive prostate cancer.