What effect does marijuana really have on weight gain?

While cannabis alters the functions of neurobiological circuits controlling appetite, its effect on weight gain is complex since several factors appear to be involved, says Didier Jutras-Aswad...

Experimental treatment sends deadly leukemia into remission

Combination approach holds great promise for treating many other cancers 'Unbelievable' success for small pilot study Treatment buys critical time for patients seeking potentially...

Scientists use 'arousometer' to measure what turns off women most

Being shown images of something disgusting reduced genital blood flow in women - as measured by an 'arousometer' - more than being shown something frightening.

New and innovative approach for successful vaccination against Chlamydia infections

Chlamydiae are the most common, sexually transmitted, bacterial pathogens in the world.

In ERs, UTIs and STIs in women misdiagnosed, even mixed up nearly half the time

Urinary tract and sexually transmitted infections in women are misdiagnosed by emergency departments nearly half the time, according to a paper in the Journal of Clinical Microbiology, a publication...

UVA fertilization discovery may lead to male contraceptive

Mystery event may play key role in sperm-egg fusionGroundbreaking new reproductive research from the School of Medicine has identified key molecular events that could be playing a critical role...

UVA fertilization discovery may lead to male contraceptive

Mystery event may play key role in sperm-egg fusionGroundbreaking new reproductive research from the School of Medicine has identified key molecular events that could be playing a critical role...

Drugs for impotence do not increase risk of melanoma

Using drugs for impotence does not increase the risk of malignant melanoma, researchers from Umeå University in Sweden conclude in a publication in JAMA, a top US medical journal.

Drugs for impotence do not increase risk of melanoma

Using drugs for impotence does not increase the risk of malignant melanoma, researchers from Umeå University in Sweden conclude in a publication in JAMA, a top US medical journal.

Men on Viagra show 'higher risk of skin cancer'

Skin cancer had a higher incidence among men taking PDE5 inhibitors but the link may not be causal. Instead, it may be linked to other factors.

Diaphragm birth control: how safe and effective is it?

The diaphragm is a barrier method of birth control. It fits inside your vagina and covers your cervix. Find out how the diaphragm works and how effective it is.

Men on Viagra show 'higher risk of skin cancer'

Skin cancer had a higher incidence among men taking PDE5 inhibitors but the link may not be causal. Instead, it may be linked to other factors.

Scripps team lays 'spectacular' foundations for HIV vaccine

Researchers at The Scripps Institute report preliminary success in designing a component for a potential HIV vaccine based on immunogens, rather than a deactivated virus.

Study finds timing of puberty has wide-ranging impacts on health in later life

In the largest study of its kind to date, the timing of puberty1 was found to have a wide range of impacts on health in later life.

Safeguarding against chlamydia

Vaccine generates double protection in animalsChlamydia trachomatis is a formidable foe. It's the most common sexually transmitted pathogen, infecting more than 100 million people each year.

Accidental pregnancies 'dramatically reduced' by IUD and implant counseling

About 50% of all pregnancies in the US are unintended. A new study finds this rate could be reduced by increasing health care training on long-acting reversible contraceptives.

Lower heart rate variability turns women off

First study to link lower resting heart rate variability with sexual difficulties in womenChances are good that women with a low heart rate variability also suffer from sexual dysfunction.

New mechanism for male infertility discovered

A new study led from Karolinska Institutet in Sweden links male infertility to autoimmune prostatic inflammation. The findings are published in the journal Science Translational Medicine.

Trans fats may lead to poorer memory for young, middle-aged men

Higher consumption of trans fats - commonly found in processed foods - may worsen memory for men aged 45 and younger, finds new research from UCSD.

Teens with weak working memory 'more likely to engage in risky sex'

The link between cognitive ability and impulse control is explored in a new study that finds an association between weak working memory and increased levels of sexual impulsivity.

Rate of ectopic pregnancy following IVF has almost halved in past 12 years

Progressive reduction in risk associated with less tubal infertility and fewer embryos transferredThe risk of ectopic pregnancy following fertility treatment with assisted reproduction (ART) is...

Review calls for urgent changes to cervical cancer screening practices

To alter perceptions of cervical cancer, researchers call for awareness campaigns and for the upper age limit for cervical screening to be revisited.

Recurrent major depressive disorder and use of antidepressants associated with lower bone density

A recent study from the University of Eastern Finland in collaboration with Deakin University, Australia, shows that recurrent major depressive disorder (MDD) in men is associated with lower bone...

World's first successful penis transplant patient due to become a father

Following successful surgery in December, the recipient of a penis transplant is now set to become a father, reporting that his girlfriend is 4 months pregnant.

Research on gonorrhea uncovers new immune system trigger

Researchers at the University of Toronto have uncovered how Gram-negative bacteria -- a broad class of bugs that cause diseases ranging from gonorrhea to diarrhea and pneumonia -- can trigger a...

Sexual assault resistance program 'almost halves rape risk,' study finds

A Canadian-led study reveals that a sexual assault resistance education program reduced the risk of completed rape by 46% for first-year female university students.

Non-steroidal anti-inflammatory drugs inhibit ovulation after just 10 days

Data suggest short-term use of over-the-counter drugs could negatively impact fertilityThe results of a study presented today at the European League Against Rheumatism Annual Congress (EULAR...

Many older adults going online to discuss, learn about sex

Forget those ageist stereotypes that senior citizens have little interest in sex and are befuddled by technology.

University of Windsor sexual assault study reaches NEJM

Research shows resistance program a successSexual assault resistance training works, according to a new University of Windsor-led study published today in the New England Journal of Medicine.

Ultrasound screening for abdominal aortic aneurysms: Advantages for men, but not for women

Proof of benefit for men through lower mortality, fewer ruptures and less emergency surgery / Studies show no relevant differences for womenMen benefit from one-time screening for abdominal...

Intrauterine device (IUD) birth control method

An IUD is a small T-shaped plastic and copper birth control device that is inserted into the uterus by a health care professional. IUDs are safe, effective and long-lasting.

Population Council progesterone contraceptive vaginal ring on WHO essential medicines list

Ring also included in WHO medical eligibility criteria guidance for providersThe World Health Organization released its 2015 updated essential medicines list and for the first time included the...

No waiting game: Immediate birth control implant more cost-effective

Women who have just given birth are often motivated to prevent a rapid, repeat pregnancy.

In Kenya, program changes male attitudes about sexual violence, Stanford study finds

In Kenya, where rape and violence against women are rampant, a short educational program produced lasting improvements in teenage boys' and young men's attitudes toward women, a study from the...

New study shows boys will be boys -- sex differences aren't specific to autism

There are more boys than girls diagnosed with autism spectrum disorder (ASD).

The health effects of homophobia

Gay and bisexual men living in European countries with strong attitudes and policies against homosexuality are far less likely to use HIV-prevention services, test for HIV, and discuss their...

Annual abortion statistics for England and Wales shows scales tipping to medical abortion for the first year ever

Official figures released by the Department of Health show that medical abortion - a non-surgical method, where women take pills to end the pregnancy - accounted for more than half (51%) of all...

New survey: Only about half of men can remember their last medical check-up

A new national survey about men and their cars, commissioned by Orlando Health, found that more than 80 percent of men could remember the make and model of their first car, but only about half could...

Hepatitis C: causes, symptoms, treatments, prevention

Hepatitis C is a virus that can infect and damage the liver. It is spread by blood-to-blood contact with an infected person and is the most common blood-borne disease in the US.

Controversial female libido pill backed by FDA advisory committee

Following yesterday's Spotlight feature on flibanserin - 'the female Viagra' - we look at the surprise decision by an FDA advisory committee to recommend the drug for approval.

Huge AIDS improvements since the 80s - but infections 'remain a problem'

While far fewer people - thanks to HIV drug advances - suffer seriously shortened lives as a result of AIDS-related infections, the problem cannot be forgotten, say researchers.

Will 'the female Viagra' really help women?

Later today, the FDA will vote - for the third time in 5 years - on whether to approve flibanserin, a drug touted as Viagra for women. However, concerns over its safety remain.

New UK awareness campaign aims to stop decline in vasectomies

With vasectomy numbers plummeting over 60% in the last decade, sexual health charity Marie Stopes UK is launching an awareness campaign to debunk the myths.

Online hookup sites increase HIV rates in sometimes surprising ways

The introduction of Craigslist led to an increase in HIV-infection cases of 13.

New 'body of evidence' regarding approval of prostitution, compensation for organ donation

Selling one's body to provide another person with sexual pleasure and selling organs to restore another person's health are generally prohibited in North America on moral grounds, but two new...

Men are 'more likely to cheat' if their wife is the main breadwinner

Both men and women are more likely to have extramarital affairs if they are financially dependent on their spouse, but men are three times more likely to stray, a study finds.

10 Most Common Birth Control Pill Side Effects

Around 12 million women take birth control pills in the US and respond to each pill formulation very differently - here is a list of the 10 most common side effects of 'the pill'.

Study shows sexual dysfunction after gynecologic cancer treatment

A University of Colorado Cancer Center study presented at the American Society for Clinical Oncology (ASCO) Annual Meeting 2015 shows decreased sexual activity in women following treatment for...

Western diet could be fatal for prostate cancer patients

Researchers suggest that a diet high in red and processed meats, refined grains and high-fat dairy products could lead to an increased risk of death for prostate cancer patients.