Dr. Natalie Crawford
speaker
838 appearances
1 recordings
1 series
first heard Jul 2026
last heard 29 Jul
Dr. Natalie Crawford’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 1 in all, peaking in Jul 2026 with 1.
Appearances
So men have to know this information as well.
So this production axis is one piece of the puzzle.
Other hormonal issues like thyroid disease can impact men's sperm production.
Cannabis use isn't one of those that can actually interfere in the brain and stop the brain from sending out some of these signals.
But then the other piece of the puzzle is that sperm are made in the body.
And it's really fascinating.
If we think about the testes, there's germ cells on one part of it, more than you've ever wanted to know about a testes, Maggie.
And then sperm are made and they grow across the testes.
So they like get their head, their tail, and they grow throughout it.
So if a man is exposed to a lot of inflammation or a lot of heat because the testes are outside the body so that they can be at a lower body temperature, then the sperm are going to grow abnormally or they're not going to be made to the right degree.
They're not going to have the function they need to.
And we have to really think about it.
It's pretty cool, right?
Men are taking a germ cell, which is a cell that's going to put out DNA, wrap it up in a head, give it a tail.
It's going to grow across the testes for about 72 days, and then it takes about 18 days to get out the ejaculatory system.
So the fact that men are constantly making these sperm over and over again...
is quite incredible.
But they are very sensitive.
That's why men make so many of them.
They are easy to die, highly influenced by the environment of the man.
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