What podcasts say about Darby Saxbe
Every statement, with the speaker, the exact quote and the moment it was said.
What Darby Saxbe has said on podcasts
139 statements · 68 positive · 40 negative · 5 mixed · 26 neutral
Fatherhood is associated with reduced gray matter volume in fathers’ brains.
“In fathers, and this is similar to what's been observed in mothers, the brain is actually losing gray matter volume.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 2:34
Fathers lose gray-matter brain volume after becoming parents.
“the brain is actually losing gray matter volume, so it is shrinking”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 2:39
Fatherhood-related shrinkage is greatest in the brain’s mentalizing network.
“the parts of the brain that are shrinking the most are in what we call the mentalizing network”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 2:48
Fathers’ brain changes are concentrated mainly in the cortex.
“Dads are mostly changing in this top layer, the cortex”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 3:38
Fathers adjust caregiving investment to cultural and situational demands.
“dads calibrate their investment according to what the culture says and what the context looks like.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 4:54
Fathers adjust parenting investment to cultural and situational demands.
“dads calibrate their investment according to what the culture says and what the context looks like”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 4:54
Reduced brain volume can reflect more efficient brain functioning rather than deficit.
“Volume reduction is not a bad thing. What it means is that the brain is actually working more efficiently”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 6:26
Brain volume reduction can reflect more efficient neural processing rather than deficit.
“Volume reduction is not a bad thing. What it means is that the brain is actually working more efficiently”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 6:27
Fathers’ empathy improves as their brains process social information more efficiently.
“No, they're actually improving in their empathy because they're becoming more efficient processors of social information.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 7:36
Fatherhood improves empathy by increasing efficiency in social-information processing.
“they're actually improving in their empathy because they're becoming more efficient processors of social information”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 7:37
More involved fathers show greater brain shrinkage, which appears adaptive.
“they had more profound brain shrinkage. All of this seems to support the contention that the shrinkage is really adaptive”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 8:58
- on Paternal involvement and brain volumeNeutralAug 24, 2026· The Diary Of A CEO with Steven Bartlett
More involved fathers show greater brain-volume reduction after birth.
“they had more profound brain shrinkage”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 8:58
Fatherhood-related brain shrinkage supports men’s adjustment to parenthood.
“the shrinkage is really adaptive and it's enabling men's adjustment to parenthood”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 9:03
Hands-on fatherhood is typically associated with a 25% testosterone decline.
“typically men, when they're hands-on as fathers, show about a 25% drop in testosterone.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 9:26
Hands-on fathers typically experience a 25% testosterone reduction.
“when they're hands on as fathers, show about a 25% drop in testosterone”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 9:28
More childcare involvement is associated with a sharper testosterone decline.
“as they were spending more time taking care of kids, they showed a sharper drop”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 10:40
Paternal testosterone typically rebounds as the child gets older.
“you typically see some rebound when the baby is getting older”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 10:46
High testosterone can reduce sperm count and impair immune-system function.
“high levels of testosterone actually decrease our sperm count and they are bad for our immune system.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 11:59
High testosterone can reduce sperm count and impair immune function.
“high levels of testosterone actually decrease our sperm count, and they are bad for our immune system”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 12:00
Higher post-birth paternal testosterone is associated with partner dissatisfaction and aggression.
“men who had relatively higher testosterone after their baby's birth had partners who were more dissatisfied in the relationship and reported more intimate partner aggression”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 12:57
Very low post-birth testosterone is associated with greater paternal depression symptoms.
“when testosterone is really low after a birth, men have higher postpartum depression symptoms”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 13:21
Mid-range, flexible testosterone levels were associated with better paternal outcomes.
“the men who seemed most successful in our study were men who had mid-range testosterone levels that could be flexible”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 13:39
Mid-range, flexible testosterone levels were linked with better paternal adjustment.
“the men who seemed most successful in our study were men who had mid range testosterone levels that could be flexible”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 13:39
More hands-on childcare is associated with a larger testosterone decline in fathers.
“when men spent more time changing babies, doing hands-on care, sharing a sleeping surface with babies, they had more of a testosterone drop.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 14:04
Research has not established an optimal level of parenting involvement for testosterone.
“I don't know that we know for sure if there's like a dose of parenting involvement that sort of lends itself to an ideal amount of testosterone”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 14:54
New fathers should protect sleep and maintain exercise and socializing to support health.
“Make sure you're protecting your sleep. which we know is linked with overall health. Make sure you're getting time to exercise and to socialize”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 15:19
Fathers should protect sleep to support overall health after childbirth.
“make sure you're protecting your sleep”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 15:19
Men’s relationship quality best predicts well-being in old age.
“the quality of men's relationships is the best predictor of their well-being and old age.”
Open the episode · Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!Listen at 18:39
Men’s relationship quality best predicts wellbeing in old age.
“the quality of men's relationships is the best predictor of their well being in old age”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 18:39
Mothers lose about 2.5% and fathers about 1% of brain volume around birth.
“Moms are losing about 2 1/2% of their brain volume from before pregnancy to after birth. Dads, in our studies, we found they lose about 1% of their brain volume.”
Open the episode · The Scientist Who Scans Fathers' Brains: Parenthood Shrinks Your Brain, And Drops Testosterone 25%!Listen at 21:12
Statements are attributed to the speaker as said on the episode and reflect their view at the time, not PodLume's. They are not advice.