05/05/2026
You've been told touch is affection. Research shows it's also a biological need.
A review, led by Dr. Tiffany Field of the Touch Research Institute, summarizes decades of evidence that safe, consensual touch reduces cortisol, lowers blood pressure, improves immune function, and supports healthy development across the lifespan.
Touch releases oxytocin, the bonding hormone. It activates the parasympathetic nervous system. It reduces inflammation. It tells your body, at a level deeper than words, that you are safe and connected.
Humans are wired for touch. Infants deprived of it fail to thrive. Older adults living alone often experience what researchers call skin hunger, a measurable deficit of touch that negatively affects mental and physical health.
Modern life has systematically reduced safe touch. Smaller households. Less physical affection in some cultures. Smartphones instead of hands.
In my practice, I regularly ask older patients who live alone about physical contact in their lives. Many haven't been hugged in weeks or months.
Here's what matters. Safe, consensual, welcome touch from people you trust has real health effects.
Hug your loved ones more often. Hold hands. Offer a shoulder squeeze. Accept a hug when offered.
If you're short on human touch, pets help. Petting a dog or cat releases similar hormones. Massage therapy is another option. Some find benefit in a weighted blanket.
Your body needs touch. It's not a luxury.
When's the last time you got a real, unhurried hug?