• Human Physiology

• Kaththiriarachchi L.S, Nandasena Y.N.S, “Biomass fuel use pattern and respiratory infections in children in Sri Lanka: An analysis of Demographic and Health Survey Data” Proceedings of International Conference on Public Health Innovations (ICPHI), National Institute of Health Sciences, Sri Lanka, 2nd - 4th May 2013, PP no 09, page no 79 - 80.
• Performances in cognitive functions tests and associated psychosocial adversities among a group of Sri Lanka adolescents - Preliminary Results - PSSL Annual Sessions 2013
• Cognitive functions and psychosocial determinants among Sri Lanka Adolescents - 4th Biennial Regional Conference of South Asian Association of Physiologists & 3rd National Convention of Bangladesh Society of Physiologists (BSP), 5-7 December 2014, Bangabandhu Sheikh Mujiib Medical University (BSMMU), Dhaka-1000, Bangladesh.
• Home Environmental Factors Contributing to Stress among Adolescents in Colombo District Sri Lanka - 9th International Research Conference, General Sir John Kotelawala Defense, University, Sri Lanka, 8-9 September 2016
• Home, School Environmental Factors and Peer Pressure contributing to stress among adolescents in Colombo District Sri Lanka.- 5th Biennial Conference of South Asian Association of Physiologists (SAAP-V) & 2nd Annual Conference of Physiological Society of Nepal(PSN) , 10-13 November 2016
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S, “Factors contributing to stress in the school environment among adolescents in Colombo district Sri Lanka”. Proceedings of the 10th International Research Conference of General Sir John Kotelawala Defence University, 3rd - 4th August 2017, OP, page no 30
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S, “School performance, school attendance and peer pressure contributing to stress among adolescents in Colombo District Sri Lanka” -Proceedings of the 73rd Annual Sessions of Sri Lanka Association for the Advancement of Science (SLAAS), 4th - 8th December 2017, section "A", OP no 102/A
• Dhananjani P.M.C, Jayasundara G.A.S.S, Panduwawala P.K.B.H, Wijewardana C.S, Maddubhahini B.M.Y, Karunathilaka K.D.L.S, Senevirathna D.M.N.D, Kaththiriarachchi L.S, “Determination of the association of body mass index and waist circumference with HBA1C level of patients diagnosed as type 2 diabetes, who attended to clinics at National Diabetic Centre, Sri Lanka, 2017” Proceedings of the 11th International Research Conference of General Sir John Kotelawala Defence University, 13th - 14th September 2018, OP, page no 23
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S, “Home environmental factors contributing to stress among adolescents in Colombo district Sri Lanka”. Publications of Sri Lanka Institute of Development Administration (SLIDA) Research Centre, September 2018, page 11- 16
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S, “Association of Executive functions and level of stress among adolescents in Colombo District Sri Lanka”. Proceedings of the 6th Biennial Conference of South Asian Association of Physiologists (SAAP) & 16th Biennial Conference of Physiological Society of Pakistan, University College of Medicine & Dentistry, Lahore, Pakistan, 13th - 15th December 2018, OP no 1, page no 52
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S, “Effects of stress on cognitive functions in Sri Lankan Adolescents” Proceedings of the International Conference on Business Management (ICBM) Monash University in Melbourne, Australia. 12th - 14th December 2019,OP, page 95 To open the proceeding book of ICBM conference please use the password: Transform2019.
• Elizabeth A. Newnham, Peta L. Dzidic, Enrique L.P. Mergelsberg, Bhushan Guragain, Emily Ying Yang Chan, Yoshiharu Kim, Jennifer Leaning, Ryoma Kayano, Michael Wright, Lalindra Kaththiriarachchi, Hiroshi Kato, Tomoko Osawa, Lisa Gibbs. The Asia Pacific Disaster Mental Health Network: Setting a Mental Health Agenda for the Region. International Journal of Environmental Research and Public Health. Int. J. Environ. Res. Public Health 2020, 17, 6144; doi:10.3390/ijerph17176144
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S “Psychosocial Determinants of Adolescents Impact Cognitive Functions: a Sri Lankan study” Proceedings of the Virtual Biennial South Asian Association of Physiologists (SAAP) VII and Physiology Society of India (PSI) Conference, Hamdard Institute of Medical Sciences & Research (HIMSR), New Delhi, India. 24 - 25 March 2021
• Kaththiriarachchi L.S, Hewage D.C, Wimalasekara S.W, Rajan R, Mendis A.L.S “Salivary Cortisol Levels and Cognitive Functions of Sri Lanka Adolescents: A Cross Sectional Study” Proceedings of the 37th Annual Meeting of the International Society for Traumatic Stress Studies (ISTSS), Chicago, USA. 2 - 5 November 2021.
• LS Kaththiriarachchi1, DC Hewage2, SW Wimalasekera2, R Ranjan3, ALS Mendis1 - Factors contributing to stress amongst adolescents in Colombo District, Sri Lanka: A cross sectional study, Galle Medical Journal, Vol 27: No. 3, September 2022
• Savithri Wimalasekera, Dushantha Madegedara, Thamara Amarasekara, Sampatha Goonewardena, Pathum Dissanayake, Duminda Yasaratne, Gayan Bowatte, Himansu Waidyasekera, Lalindra Kaththiriarachchi, Gihani Jayaweera, Gayani Kanchana, Dulshan Jayasinghe, Chanaka Karunarathne, Akindra Kariyawasam, Damith Nissanka, Umanda Ganegoda, Kumudu Wickramathilaka, "Impacts of indoor air pollution on maternal and child health in Sri Lanka"- RESPIRE ASM 2023 (Page 24-25)

• Neurophysiology
• Respiratory Physiology

Australian Awards Research Fellowship 2014.- Monash University, Melbourne, Victoria, Australia

National Science Foundation (NSF) Research Scholarship Award 2016

• Best oral presentation at the 6th Biennial Conference of South Asian Association of Physiologists (SAAP) & 16th Biennial Conference of Physiological Society of Pakistan, University College of Medicine & Dentistry, Lahore, Pakistan, 13th - 15th December 2018.

• Member Sri Lanka Medical Council
• Member Sri Lanka Association for the Advancement of Science (SLAAS)
• Life member Sri Lanka Medical Association
• Life Member of Endocrine Association of Sri Lanka
• Associate Member of College of General Practitioners of Sri Lanka
• Life Member of the Sri Lanka Association for the Advancement of Science (SLAAS)
• Life Member of the Forum of Sri Lankan Medical Educationists. (FOSME)
• Life Member of the Physiology Society of Sri Lanka.
• Member of the Sri Lanka Association for Improving Higher Education Effectiveness. (SLAIHEE).