Also known as: affective touch, interpersonal touch
Latest evidence update: 2026-04-01
Strongest in Consistency (95). Held back by Recency (40).
Solid mix of RCTs with some methodological gaps.
Some independent replication, statistical precision uneven.
Hundreds of participants; meaningful but not large.
Studies agree on direction of effect.
Evidence base skews older; field may have moved on.
No per-outcome numbers yet for this one. Each finding's direction and strength is shown in the research below.
Physical touch triggers oxytocin release, reduces cortisol, and activates the vagus nerve. Regular hugging (at least 4 per day) is associated with lower blood pressure, reduced infection susceptibility, and buffered stress responses. C-tactile afferent fibers respond specifically to gentle, social touch.
ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.
Affective touch intervention reduces existential distress in patients with advanced cancer after 2 weeks of daily application.
Affective touch (slow/soft brushing) reduces late positive potential amplitudes in the frontal cluster during angry facial expression viewing.
Intranasal oxytocin combined with daily affectionate touch reduced wound severity.
A 4-week warm touch intervention reduced elevated salivary oxytocin in subjects with high depressive symptomatology, whereas the control group maintained elevated levels.
Combined music and touch intervention reduces pain response scores in preterm neonates compared to standard care without intervention.