This study has some limitations. It did not include men who had fertility treatment and did not become fathers, and the average age of men when they were followed up was 45.
And the overall number of men who developed prostate cancer in all 3 groups was small: 0.28% in the non-treatment group, 0.37% in the IVF group and 0.42% in the ICSI group.
Men with a history of fertility treatment should not be overly concerned.
From September 2019, boys in school year 8 will be offered the free Human Papilloma Virus (HPV) vaccine for the first time.
Worldwide, about 5% of all cancers are linked to the HPV virus. This includes cervical, penile, anal and genital cancers and some cancers of the head and neck – all of which the vaccine helps to protect against. Cervical cancer is currently the most common cancer in women under 35, killing around 850 women each year. HPV is thought to be responsible for over 99% of cervical cancers, as well as 90% of anal, about 70% of vaginal and vulvar cancers and more than 60% of penile cancers.
We simply do not know what's behind the different results.
Perhaps the most important finding is that many people would like to have sex more often than they do now.
Whether that means finding time for sex and intimacy in our busy lives or addressing sexual health problems, a healthy sex life is part of our overall health and wellbeing.
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This case report is a good step for HIV research, which may help pave the way towards potential future treatments.
But it's important to know that this is not a "cure" for HIV that can be used widely.
Antiretroviral treatment will remain the main treatment for people with HIV for the foreseeable future.
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Headlines like the one in the Mail Online, saying that "men should start a family before they are 35 to avoid their children having birth defects", are not just scaremongering, but wrong.
The study found a small increase in some risks to babies born to fathers over 45, and didn't look at birth abnormalities.
The study's main strength is its size and the amount of information available to researchers. But it has some limitations.
The media generally reported the story accurately. But it's a shame the news stories didn't make it clearer that the chance of these pregnancy complications is small, regardless of how long you wait between pregnancies.
The Mail's coverage is accurate. But it could have made it clearer that the sexual health behaviour of teenagers in 1 region of Canada may not be representative of a similar population in the UK.
The news website does point out that the fall in sexual activity among teenage girls could be due to wider social trends that have little or nothing to do with HPV vaccination.
Because of the limitations of the study, it can't be concluded that tight underwear causes infertility.
But if you're trying for a baby, it can't hurt to try switching to boxers.
Other ways men can increase their chances of conceiving include moderating their alcohol consumption, stopping smoking, exercising regularly, and having a healthy, balanced diet.
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The British Association of Sexual Health and HIV (BASHH) released draft guidance today because of concerns that if MG is missed and not properly treated, it can develop resistance to antibiotics and become increasingly difficult to treat. Data suggests that some widely used antibiotics used to treat MG are already not working.
While the results of the study are encouraging and suggest that HPV testing could work well as a primary test in place of cervical smears, we do not have longer-term results to show whether it actually makes a difference to how many women get invasive cervical cancer or die of the disease.
This review provides reassurance for women and girls who have received the HPV vaccine, and for parents of girls due to receive it.
It found the vaccine does a good job of protecting against the most dangerous strains of HPV, which are passed on through sex and skin-to-skin contact of the genital areas.
This study does not tell us anything about whether low testosterone might cause general health problems or whether having a chronic health problem affects testosterone. If there is a direct link between the two, the reason for this is unclear. It might even be that something else is having a negative effect on both testosterone and other health problems.
Unfortunately, this analysis contains some discrepancies and limited information on the studies included. This means the review hasn't established a definite link between HPV and prostate cancer.
This study demonstrates a couple of things. It supports current understanding – that the majority of people are exposed to BPA through food and drink packaging, and that BPA can be detected in urine.
It also shows how difficult it would be to try to manipulate our diets to reduce BPA exposure.
But it can't really tell us a great deal more than this.
Public Health England had launched ‘Protect against STIs’, a new campaign that aims to reduce the rates of sexually transmitted infections (STIs) among 16 to 24-year-olds through condom usage. The campaign is the first government sexual health campaign in 8 years.
The news is based on research that actually found multiple factors increased the likelihood of both men and women reporting a lack of interest in sex.
The findings come from interviews with more than 10,000 men and women in the UK about their sex lives.
Lack of interest in sex was associated with being in poor health, being in longer relationships (for women), and living with your partner – and varied with age.