Hugs heartfelt in more ways than one.
D000818:Animals; D015415:Biomarkers / Q000097:blood; D001794:Blood Pressure / Q000502:physiology*; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008149:Love; D010121:Oxytocin / Q000097:blood*; D010812:Physical Stimulation; D051381:Rats; D018454:Spouses; D013315:Stress, Psychological / Q000097:blood
D015415:Biomarkers; D010121:Oxytocin