How stress affects erections and libido
Stress changes the nerve signals, attention and hormones behind desire and erections. Here is how it works, what helps, and when it is worth seeing a GP.
Sleep and sex drive: the overlooked connection
Short, broken or disordered sleep affects hormones, energy and erections. For many people it is the least glamorous and most overlooked part of a healthy sex life.
How to talk to your partner about performance anxiety
A short, honest conversation takes much of the pressure out of performance anxiety. Here is when to have it, what to say and how partners can help.
Why the best sex advice is rarely about sex
Communication, affection and feeling understood predict a satisfying sex life more reliably than any technique. Here is what the research shows and how to use it.
Supplement ingredients for men’s sexual health: what the research shows
Twelve popular ingredients, what each one is, what the studies measured and who took part, plus the safety points worth knowing before you choose.
Zinc and semen volume: does it actually work?
What zinc does for male reproduction, what happens to semen when it runs low, and what supplement studies have measured, in which men.
Lifestyle factors that affect male fertility: a practical guide
Weight, smoking, alcohol, cannabis, heat and sleep all show up in sperm studies. Here is how big each effect is, and where to start.
How long does it take sperm to regenerate?
Making a sperm cell takes around two months, and semen refills within days. Here is the real timeline, and what it means for testing and lifestyle changes.
Does testosterone affect sex drive? Separating myth from mechanism
Testosterone matters for desire, but mostly at the low end. Above a fairly modest level, sleep, mood, medicines and relationships usually do more of the work.