With Random Acts of Kindness Day coming up this week on 17th Feb, I've been thinking about what kindness is. Yes it's character that shows through your actions... We all have a kindness hormone called oxytocin.
With Random Acts of Kindness Day coming up this week on 17th Feb, I've been thinking about what kindness is. Yes it's character that shows through your actions... but it's also chemistry.
We all have a kindness hormone called oxytocin. It's a measurable biological signal that talks to your heart, your blood vessels, and your nervous system.
Let’s dive in...
Where insight becomes impact
What I’ve been looking at this week…
One key study published in Biological Psychology found that the more frequently you receive hugs, the higher your baseline level of oxytocin. (PMID 15740822 - this study was done in women.)
Why does this matter?
Because oxytocin:
Which means...kindness and connection protect your heart.
Even more interesting, a 2015 study in Psychological Science (PMID 25526910) showed that the more hugs you receive, the less likely you are to develop an infection after you've been exposed to a virus.
Why is that? Because kindness and connection improve your immunity.
The Hug:4, 8, or 12 a Day? So how many hugs a day keep the doctor away? You may have heard the “4, 8, 12 hugs” rule.
4 to regulate
8 to reinforce
12 to rewire
However, there’s no specific controlled data defining a minimum effective hug dose. What matters isn’t quantity. It’s whether your nervous system experiences enough safe, warm connection to activate the parasympathetic brake.
Touch → Oxytocin Oxytocin → Vagus nerve activation Vagus nerve activation → Reduced stress signalling.
That’s what matters.
Which means it's time to get hugging and make a hug a day your random act of kindness this month!
Track it to hack it.
What I’ve been monitoring this week…
You don’t need an oxytocin blood test to measure kindness or see it's effects.
Track the outputs instead.
Your nervous system is always asking: Am I safe?
When you feel supported and understood, your system settles.
Inflammation softens. Ageing reverses Resilience strengthens.
When oxytocin rises, adaptability rises.
From knowing to doing.
What this means for YOU…
Run a Kindness Experiment This Week One intentional act of kindness a day. If that’s a hug, even better. Then check your metrics the next morning:
And here’s where it gets properly precise.
The Biology Underneath It Oxytocin is a peptide hormone. Your body builds it from amino acids and activates it using key micronutrients like vitamin C and copper. So if you’re low in:
your signalling efficiency may not be optimal.
Kindness triggers the signal. Biochemistry determines how well it runs.
That’s why I test the inputs (amino acids, vitamin C, copper,) then correlate them with the outputs (HR, BP, HRV)
Not fluffy. Functional.
💼 Case in Point: The 4–40 Experiment One client with persistently low HRV and creeping blood pressure didn’t need another supplement first. She needed more connection. We implemented my 4–40 rule: She gave four genuine compliments a day. Each delivered from the heart. Often ending in a hug. Each hug held for 40 seconds.
Within weeks:
Kindness wasn’t just sentimental. It was measurable.
Try the 4–40 this week. Then look at your data.
🎯 If you'd like to make decisions with precision based on your personal data and using devices that are specific for you, then book a private consultation and let's start to decode your health. Longevity is moving fast. I intend to stay ahead of it. Follow my instagram or linkedin this week to find out what I was researching and why!
This week: Speaking in Lancashire - a nostalgic trip awaits. Rooms full of business leaders asking sharper questions about energy, ageing, and biological precision is a great place for longevity conversations.
Next week: I'm debuting in Brighton and Hove! Very excited to be bringing my Longevity Services to Grand Aesthetics on 23rd Feb. Health and beauty inside out. And of course there will be exciting debut offers available only on the day and only in clinic. So if you're in The Brighton and Hove area
Book your consultation and I'll see you there!
A thought to pause on…
“Build relationships your biology can relax inside.” Longevity is not just about adding years. It’s about feeling safe and connected within them.
Wishing you a wonderful week ahead (that's 168 hours of your Million Hour life!! Dr Alka Be sure to send this email to anyone who you also want to live their longest, healthiest life!
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Take the free LQThis article is general education, not medical advice, and reading it does not create a doctor-patient relationship. If something has been going on for a while, please get it properly looked at by your own doctor.