Failure to thrive:

Gordon, E.G. and D.M. Vazquez. “Failure to Thrive: An Expanded Conceptual Model.” In New Directions in Failure to Thrive: Implications for Research and Practice. Dennis Drotar, editor. Springer, NY, 1985.

Henry Dwight Chapin, M.D., and mortality in foundling home infants

http://pages.uoregon.edu/adoption/archive/ChapinFvI.htm

http://jamanetwork.com/journals/jamapediatrics/article-abstract/1179541

C-tactile nerve fibers

Bendas, J. et al. “C-Tactile Mediated Erotic Touch Perception Relates to Sexual Desire and Performance ij a Gender-Specific Way,” Journal of Sexual Medicine (2017) 14:645.

Whole-body massage, a key to arousal:

Bancroft, J. et al. “The Relation Between Mood and Sexuality in Heterosexual Men,” Archives of Sexual Behavior (2003) 32:217.

Brotto, L. et al. “Narratives of Desire in Mid-Age Women With and Without Arousal Difficulties,” Journal of Sex Research (2009) 46:387.

Carpenter, L.M. et al. “Physical Women, Emotional Men: Gender and Sexual Satisfaction in Midlife,” Archives of Sexual Behavior (2009) 38:87.

Chivers, M.L. et al. “Agreement of Self-Reported and Genital Measures of Sexual Arousal in Men and Women,” Archives of Sexual Behavior (2010) 39:5.

Fisher, W.A. et al. “Individual and Partner Correlates of Sexual Satisfaction and Relationship Happiness in Midlife Couples: Dyadic Analysis of the International Survey of Relationships,” Archives of Sexual Behavior (2015) 44:1609.

Galinsky, A.M. “Sexual Touching and Difficulties with Sexual Arousal and Orgasm Among U.S. Older Adults,” Archives of Sexual Behavior (2012) 41:875.

Gallace, A. and C. Spence. “The Science of Interpersonal Touch: An Overview,” Neuroscience and Bio-Behavioral Reviews (2010) 34:246.

Graham, C.A. et al. “The Sexual Excitation/Inhibition Inventory for Women: Psychometric Properties,” Archives of Sexual Behavior (2006) 35:397.

Graham, C.A. et al. “Turning On and Turning Off: A Focus Group Study of the Factors that Effect Women’s Sexual Arousal,” Archives of Sexual Behavior (2004) 33:527.

Hertenstein, M.J. et al. “The Communicative Functions of Touch in Humans, Non-Human Primates, and Rats: A Review and Synthesis of Empirical Research,” Genetic, Social, and General Psychology Monographs (2006) 132:5.

Janssen, E. et al. “Factors That Influence Sexual Arousal in Men: A Focus Group Study,” Archives of Sexual Behavior (2008) 37:252.

Janssen, E. et al. “The Sexual Inhibition and Sexual Excitement Scales: Measuring Sexual Inhibition and Excitement Proneness in Men,” Journal of Sex Research (2002) 39:114.

Laan, E. et al. “Women’s Sexual and Emotional Responses to Male-Produced and Female-Produced Erotica,” Archives of Sexual Behavior (1994) 23:153.

Laumann, E.O. et al. “A Cross-National Study of Subjective Sexual Well-Being Among Older Men and Women: Findings from the Global Survey of Sexual Attitudes and Behaviors,” Archives of Sexual Behavior (2006) 35:145.

McCabe, M.P. “Intimacy and Quality of Life Among Sexually Dysfunctional Men and Women,” Journal of Sex and Marital Therapy (1997) 23:276.

McCabe, M. et al. “Psychological and Interpersonal Dimensions of Sexual Function and Dysfunction,” Journal of Sexual Medicine (2010) 7:327.

Moyer, C.A. et al. “A Meta-Analysis of Massage Therapy Research,” Psychological Bulletin (2004) 130:3.

Quackenbush, D.M. et al. “Gender Effects of Romantic Themes in Erotica,” Archives of Sexual Behavior (1995) 24:21.

Quackbush, D.M. et al. “Gender Effects of Romantic Themes in Erotica,” Archives of Sexual Behavior (1995) 24:21.

Santilla, P. et al. “Discrepancies Between Sexual Desire and Sexual Activity: Gender Differences and Associations with Relationship Satisfaction,” Journal of Sex and Marital Therapy (2008) 34:29.

Sims, K.E. and M. Meana. “Why Did Passion Wane? A Qualitative Study of Married Women’s Attributions for Decline in Sexual Desire,” Journal of Sex and Marital Therapy (2010) 36:360.

Varjonen, M. et al. “Genetic and Environmental Effects on Sexual Excitation and Sexual Inhibition in Men,” Journal of Sex Research (2007) 44:359.

Witting, K. et al. “Female Sexual Dysfunction, Sexual Distress, and Compatibility with Partner,” Journal of Sexual Medicine (2008) 5:2587.

Healing benefits of massage:

Ang, J.Y. et al. “A Randomized Placebo-Controlled Trial of Massage Therapy on the Immune System of Preterm Infants,” Pediatrics (2012) 130:e1549.

Cohen, S. et al. “Does Hugging Provide Stress-Buffering Social Support? A Study of Susceptibility to Upper Respiratory Tract Infection and Illness,” Psychological Science (2015) 26:135.

Field, T. et al. “Yoga and Massage Therapy Reduce Prenatal Depression and Prematurity,” Journal of Bodywork and Movement Therapy (2012) 16:204.

Khorsand, A. et al. “Evaluation of the Effect of Reflexology on Pain Control and Analgesic Consumption After Appendectomy,” Journal of Alternative and Complementary Medicine (2015) 21:774.

Kumar, S. et al. “Effectiveness of Ayurvedic Massage (Sahacharadi Taila) in Patients with Chronic Low Back Pain: A Randomized Controlled Trial,” Journal of Alternative and Complementary Medicine (2016) epub ahead of print. PMID: 27704865. DOI: 10.1089/acm.2015.0272.

Lee, S.H. et al. “Meta-Analysis of Massage Therapy for Cancer Pain,” Integrative Cancer Therapies (2015) 14:297.

Kissing

Kirshenbaum. Sheril. The Science of Kissing: What Our Lips Tell Us. Grand Central Publishing, 2011.

Meston, CM and DM Buss. “Why Humans Have Sex,” Archives of Sexual Behavior (2007) 36:477.

Ryan, Christopher and Cacilda Jetha. Sex At Dawn: The Prehistoric Origins of Modern Sexuality. Harper-Collins, 2010.

Teifer, Lenore. “The Kiss: The Kinsey Institute 50th Anniversary Lecture,” Oct. 24, 1998.

Genital embryology: So That’s How It Feels

Chalker, R. The Clitoral Truth. Seven Stories, NY, 2002.

Studies demonstrating the importance of cuddling after sex.

Byers, E.S. “Relationship Satisfaction and Sexual Satisfaction: A Longitudinal Study of Individuals in Long-Term Relationships,” Journal of Sex Research (2005) 42:113.

Call, V. et al. “The Incidence and Frequency of Marital Sex in a National Sample,” Journal of Marriage and the Family (1995) 57:639.

Gulledge, A.K. et al. Romantic Physical Affection Types and Relationship Satisfaction,” American Journal of Family Therapy (2003) 31:233.

Heiman, J.R. et al. “Sexual Satisfaction and Relationship Happiness in Midlife and Older Couples in Five Countries,” Archives of Sexual Behavior (2011) 40:741.

Hughes, S.M. and D.J. Kruger. “Sex Differences in Post-Coital Behavior in Long- and Short-Term Mating: An Evolutionary Perspective,” Journal of Sex Research (2011) 48:496.

Muise, A. et al. “Post-Sex Affectionate Exchanges Promote Sexual and Relationship Satisfaction,” Archives of Sexual Behavior (2014) 43:1391.

Van Anders, S.M. et al. “Descriptive Experiences and Sexual Vs. Nurturant Aspects of Cuddling Between Adult Romantic Partners,” Archives of Sexual Behavior (2013) 42:553.