ED • Hormones • Sexual health • Vascular health
Men's health is more connected than you think.
Research over bro science.youtu.be/11hBbigwOPQJoined July 2023
One hormone most men never think about when their libido disappears is prolactin.
Too much prolactin can suppress the hormones involved in testosterone production.
The result can be:
↓ libido
↓ testosterone
ED & fertility problems
Quit gooning and spiking your prolactin.
Dr. Paul Chung says erectile dysfunction can reveal more than a bedroom problem. In younger men, it may be an early clue that the small blood vessels in the penis are already being damaged.
In a Jefferson Health webinar, he shared 7 truths about ED:
1. The penis can warn you
Anabolic steroids can make you look more masculine while suppressing your natural testosterone production.
And prolonged use has been associated with impaired reproductive function and erectile problems.
The physique can improve while the reproductive system pays the bill.
Caffeine and sex.
This clinical trial studied the effects of 100mg of caffeine taken 2 hours before sex. Intravaginal ejaculation latency time (IELT) increased from 144s to 312s.
If you plan on taking caffeine before sex, be sure to take theanine with it to prevent it from disrupting your sleep.
One of the most underrated causes of sexual dysfunction?
Medication
Antidepressants
Finasteride
Some blood-pressure medications
Opioids
Antipsychotics
If your sexual function changed after starting a medication, that’s worth monitoring.
Here’s an underrated ED treatment:
fixing the stuff that caused the ED.
If the problem is metabolic health, sleep, inactivity, medication effects or psychological pressure fix that first.
Taking an erection pill may treat the symptom without addressing the bigger picture.
Your sleep can mess with your sxx life so much
A 2026 meta-analysis found sleep disorders were linked with worse erectile function and hormonal changes in men.
Good sleep must be a priority if you want optimal erectile and intimate health.
A man can have normal testosterone & still have terrible erections.
Because erections aren’t powered by T alone
You need functioning blood vessels, nerves, brain signaling & adequate sexual stimulation
That’s why “just boost testosterone” is such an incomplete ED strategy.
Low measured free testosterone is associated with worse sexual function.
A 2026 study of 526 men found lower measured free testosterone was associated with worse erections, lower desire and fewer sexual encounters.
Total T wasn’t associated with those outcomes.
A tennis ball can be more useful for your pelvic floor than another set of Kegels.
If your pelvic floor is chronically tense, learning to relax it may matter more.
In 146 men with chronic pelvic pain, trigger-point release + relaxation training improved sexual symptoms
RELAX.
Literally a superfood.
300 mg caffeine increased D2/D3 dopamine receptor availability in the human striatum
and greater availability was linked to increased alertness.
A separate study of 3,724 men also found lower odds of Erectile Dysfunction with moderate caffeine intake.
If you are thinking of smoking cigars because they inhibit aromatase, I would strongly advise drinking coffee instead:
- Caffeine has been shown to increase the dopamine receptors D2 and D3 in the striatum.
-men who consumed 85-170 mg/day and 171-303 mg/day of caffeine daily
Two men can both have Erectile Dysfunction and have very different underlying problems.
One may have a vascular issue.
Another may have medications effect, hormonal prob, anxiety or a combination.
That's why there isn’t always a single profound cause of Erectile Dysfunction.
Trying to boost testosterone can work against your fertility
External testosterone can suppress the hormonal signals that tell your testes to produce sperm
That's why testosterone therapy isn't a casual fertility supplement
Higher blood T doesn't automatically mean more sperm.
How to fix premature ejaculation with a $2 tennis ball
Most men do kegels and make their premature ejaculation worse, Doing too many regular kegels creates an overly tight pelvic floor.
Here is how to reverse it and last longer...🍆
1. Add perineum massage
A study of 381 young men found poor sleep quality was associated with 6.48× higher Erectile Dysfunction ED prevalence.
pubmed.ncbi.nlm.nih.gov/36817877/
Cardio can improve erectile function.
A meta-analysis of 11 randomized trials involving 1,147 men found aerobic exercise improved erectile-function scores by an average of 2.8 points.
Men with more severe ED saw larger average improvements.
Losing weight improved erections in a randomized trial.
Researchers studied 110 obese men with Erectile Dysfunction.
The lifestyle group targeted weight loss and increased physical activity and erectile function improved over 2 years.
Sleep deserves more attention than it gets.
sleep-related erections are closely tied to REM sleep.
disrupted sleep can interfere with the normal physiology behind erections.
especially when poor sleep becomes chronic.
The penis really said: “I’m not feeling the vibe anymore” 😭
Being horny doesn't guarantee an erection.
Your brain signals, nerves respond, blood flows in
Corn, stress, alcohol, fatigue, anxiety, all can interrupt the process.
The erection doesn't run on enthusiasm alone.
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