Stress, cortisol and weight: sorting the real from the sold

There is a real relationship here, and an entire supplement category built on a fictional version of it.
Sildenafil and tadalafil: how the two differ

Same mechanism, quite different practical properties. The differences are in the product information rather than the marketing.
Shift work and weight: what the evidence supports

Advice written for people who sleep at night is not much use at four in the morning.
Premature ejaculation: what it is and what helps

The definition is narrower than most people assume, which means a lot of men who worry about this do not have it.
Portion sizes: the change that needs no arithmetic

You can do most of this without weighing anything, as long as you know which five foods you cannot eyeball.
Performance anxiety and erections: how the cycle starts and how it’s broken

Erections need the nervous system to stand down. Anxiety tells it to do the opposite — and then the memory of it does the same thing next time.
How erectile dysfunction tablets work, and how they differ

Four medicines, one mechanism, and a set of contraindications that are misquoted more often than almost anything in this field.
PCOS and weight: what losing even a little actually does

There is no threshold where your periods come back. The relationship is smoother, and more encouraging, than that.
Minoxidil for hair loss: how to use it properly and what results look like

It works while you use it and stops working when you don’t. Most disappointment with minoxidil is a dosing problem, not a drug problem.
The Mediterranean diet: the one with outcome data

It is a mediocre weight-loss diet with the best hard-outcome evidence of any eating pattern studied.