This important study reveals a critical role of the transcription factor NR2F2 in mouse fetal Leydig cell (FLC) differentiation. With elegantly carried out experiments, the authors provide compelling ...

Drugs that can affect your results include: Testosterone ... It can tell you whether your sperm count is low or normal. Some test kits can also test your sperm's movement. Other kinds of tests ...

It consists of a thin cartridge that you stick in your mouth for 60 seconds. It looks similar to a pregnancy test, with a ...

Hormometer is a wand with a collection tip at one end that you hold in your mouth for 60 seconds. Once it’s absorbed your ...

After unlocking the secrets of DNA, the Nobel prize-winning biochemist traded in his centrifuge for a life of wine, women, ...

Both the male-only prescription drug finasteride (Propecia) and dutasteride, which is prescribed off-label in the UK, work by reducing the conversion of testosterone to DHT – the hormone which ...

Low testosterone (hypogonadism) is a condition where your body doesn’t produce enough of the hormone. It has several possible ...

Lawmakers want to know why some former elite operators in their 30s and 40s ‘will have very, very low testosterone levels — ...

They may also run a number of blood tests before diagnosing low testosterone. These tests include: A total testosterone test. This test measures your protein-bound and unbound (free) testosterone.